Question 1

Find the sample space of the cards from a standard deck with a value of less than 4, when the ace is the highest card.

Accepted Answer

A)  [ 2 clubs, 2 diamond, 2 hearts, 3 diamond, 3 hearts, 3 spades ] 
B)  [ 2 clubs, 2 diamond, 2 hearts, 2 spades, 3 clubs, 3 diamond ] 
C)  [ Ace clubs, 2 clubs, Ace diamonds, 2 diamonds, Ace hearts, 2 hearts, Ace spades, 2 spades ] 
D)  [ 2 hearts, 2 spades, 3 clubs, 3 diamond, 3 hearts, 3 spades ] 
E)  [ 2 clubs, 2 diamond, 2 hearts, 2 spades, 3 clubs, 3 diamond, 3 hearts, 3 spades ] 
A)  [ 2 clubs, 2 diamond, 2 hearts, 3 diamond, 3 hearts, 3 spades ] 
B)  [ 2 clubs, 2 diamond, 2 hearts, 2 spades, 3 clubs, 3 diamond ] 
C)  [ Ace clubs, 2 clubs, Ace diamonds, 2 diamonds, Ace hearts, 2 hearts, Ace spades, 2 spades ] 
D)  [ 2 hearts, 2 spades, 3 clubs, 3 diamond, 3 hearts, 3 spades ] 
E)  [ 2 clubs, 2 diamond, 2 hearts, 2 spades, 3 clubs, 3 diamond, 3 hearts, 3 spades ]

Question 2

Use the figure below to answer the following question.   Between what two decibel readings is the greatest change in power output found? (Hint: assume that db readings were taken at the following points: 23, 25, 27, 29, 31, 33, 35, 37)

Accepted Answer

A)  14 db and 16 db 
B)  14 db and 22 db 
C)  22 db and 24 db 
D)  30 db and 32 db 
E)  26 db and 28 db 
A)  14 db and 16 db 
B)  14 db and 22 db 
C)  22 db and 24 db 
D)  30 db and 32 db 
E)  26 db and 28 db

Question 3

A hygrothermograph is used by the weather services to record temperature and relative humidity (see figure labeled "Hygrothermograph"). The lower part of the graph is used to measure relative humidity from 0% to 100%. The upper part of the graph is used to measure temperature from 10° F to 110° F. What is the relative humidity at 2:00 p.m.? Use the data in the figure to answer this question.

Accepted Answer

A)  75 % 
B)  59 % 
C)  69 % 
D)  80 % 
E)  64 % 
A)  75 % 
B)  59 % 
C)  69 % 
D)  80 % 
E)  64 %

Question 4

A trucking company had hauls of the following distances. $2,019$ km, $2,007$ km, $2,101$ km, $2,022$ km, $2,032$ km What is the median measurement of the hauls?

Accepted Answer

A)  $2,022$ km 
B)  $2,072$ km 
C)  $2,019$ km 
D)  $2,007$ km 
E)  $2,032$ km 
A)  $2,022$ km 
B)  $2,072$ km 
C)  $2,019$ km 
D)  $2,007$ km 
E)  $2,032$ km

Question 5

Find the median measurement for the set of measurements. $21$ , $51$ , $7$ , $44$ , $66$ , $26$ , $56$ , $85$ , $92$ , $33$ , $18$

Accepted Answer

A)  $27$ 
B)  $61$ 
C)  $44$ 
D)  $51$ 
E)  $64$ 
A)  $27$ 
B)  $61$ 
C)  $44$ 
D)  $51$ 
E)  $64$

Question 6

Find the sample standard deviation from the set of measurements below. $2.2,8.4,9.3,7.7,10.2,11.3,12.2,13.2,16.4,10.3,12.7,15.7,20.3,21.6,30.8,42.3$

Accepted Answer

A)  $s = 9.5$ 
B)  $s = 9.3$ 
C)  $s = 8.8$ 
D)  $s = 9.0$ 
E)  $s = 9.4$ 
A)  $s = 9.5$ 
B)  $s = 9.3$ 
C)  $s = 8.8$ 
D)  $s = 9.0$ 
E)  $s = 9.4$

Question 7

Consider the following bar graph. How many barrels of per day were used by Germany?

Accepted Answer

A)  25.6 million barrels 
B)  2.1 million barrels 
C)  0.2718 million barrels 
D)  1.8 million barrels 
E)  2.72 million barrels 
A)  25.6 million barrels 
B)  2.1 million barrels 
C)  0.2718 million barrels 
D)  1.8 million barrels 
E)  2.72 million barrels

Question 8

A card is chosen from a deck of 52 cards and placed back in the deck, and a second card is chosen from the deck. What is the probability of drawing the king of diamonds and the queen of clubs?

Accepted Answer

A)  $\frac { 2 } { 2,573 }$ 
B)  $\frac { 1 } { 39 }$ 
C)  $\frac { 1 } { 2,573 }$ 
D)  $\frac { 1 } { 2,734 }$ 
E)  $\frac { 1 } { 2,704 }$ 
A)  $\frac { 2 } { 2,573 }$ 
B)  $\frac { 1 } { 39 }$ 
C)  $\frac { 1 } { 2,573 }$ 
D)  $\frac { 1 } { 2,734 }$ 
E)  $\frac { 1 } { 2,704 }$

Question 9

Find the sample standard deviation from the set of measurements below. $1.003,1.104,1.118,1.054,1.062,1.111,1.219$

Accepted Answer

A)  $s = 0.063$ 
B)  $s = 0.059$ 
C)  $s = 0.056$ 
D)  $s = 0.072$ 
E)  $s = 0.061$ 
A)  $s = 0.063$ 
B)  $s = 0.059$ 
C)  $s = 0.056$ 
D)  $s = 0.072$ 
E)  $s = 0.061$

Question 10

Draw a circle graph. Depict the suggested semester credit-hour requirements for a community college curriculum in industrial technology as shown in the table.   $\begin{array}{c}
\text { Course }\
\begin{array}{|l|l|l|l|l|}
\hline &\text { Mathematics } & \text { Applied science } & \text { Technical specialties } & \text { General education courses } \
\hline\text { Semester hours }& 9 & 6 & 34 & 11\
\hline
\end{array}
\end{array}$

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 11

A survey of 100 families was taken to find the number of times the families had gone out to eat in the past month. The data are given in the table below. Draw a bar graph for this survey.   $\begin{array}{ | l l | } 
\hline \text { Times out in past month Number of tamilies } \
\hline\begin{array}{lll}
 0 & 1 \
1 & 20 \
2 & 40 \
3 & 22 \
4 & 13 \
5 & \text { or more } 4 \

\end{array}\
\hline
\end{array}$

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 12

Consider the following bar graph. What country used the fewest barrels of oil per day?

Accepted Answer

The answer of Consider the following bar graph. What country...

Question 13

The sample space is the set of hearts from a standard deck of 52 cards. What is the probability that the 2 of diamonds will be drawn?

Accepted Answer

A)  $\frac { 1 } { 8 }$ 
B)  0 
C)  5 
D)  $\frac { 1 } { 16 }$ 
E)  $\frac { 1 } { 13 }$ 
A)  $\frac { 1 } { 8 }$ 
B)  0 
C)  5 
D)  $\frac { 1 } { 16 }$ 
E)  $\frac { 1 } { 13 }$

Question 14

Find 31% of 360o Round your answer to the nearest tenth.

Accepted Answer

A)  90.0o 
B)  82.8o 
C)  117.8o 
D)  111.6o 
E)  108.0o 
A)  90.0o 
B)  82.8o 
C)  117.8o 
D)  111.6o 
E)  108.0o

Question 15

Find the sample standard deviation from the set of measurements below. $9,238 \mathrm {~m} , 9,224 \mathrm {~m} , 9,235 \mathrm {~m} , 9,232 \mathrm {~m} , 9,237 \mathrm {~m}$

Accepted Answer

A)  $s = 5 \mathrm {~m}$ 
B)  $s = 10 \mathrm {~m}$ 
C)  $s = 8 \mathrm {~m}$ 
D)  $s = 1 \mathrm {~m}$ 
E)  $s = 13 \mathrm {~m}$ 
A)  $s = 5 \mathrm {~m}$ 
B)  $s = 10 \mathrm {~m}$ 
C)  $s = 8 \mathrm {~m}$ 
D)  $s = 1 \mathrm {~m}$ 
E)  $s = 13 \mathrm {~m}$

Question 16

The life expectancy of a fluorescent light bulb is given by the number of hours that it will burn, tabulated in the frequency distribution in the table below. Draw a histogram for the data displayed.   $$\begin{array} { | l c | } 
\hline \text { Life of bulb (hours) } & \text { Frequency t}\
\hline - 0.5 - 499.5 & 2 \
499.5 - 999.5 & 9 \
999.5 - 1,499.5 & 14 \
& \
1,499.5 - 1,999.5 & 22 \
1,999.5 - 2,499.5 & 29 \
2,499.5 - 2,999.5 & 34 \
2,999.5 - 3,499.5 & 14 \
3,499.5 - 3,999.5 & 5 \
\hline
\end{array}$$

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 17

From the following grouped data, find the sample standard deviation.
  $$\begin{array} { | l | l | l | l | } 
\hline \text { Interval } & \text { Midpoint } x & \text { Frequency } f & \text { Product } x f \
\hline 42.5 - 51.5 & & 12 & \
\hline 51.5 - 60.5 & & 15 & \
\hline 60.5 - 69.5 & & 18 & \
\hline 69.5 - 78.5 & & 27 & \
\hline 78.5 - 87.5 & & 6 & \
\hline 87.5 - 96.5 & & 3 & \
\hline
\end{array}$$  
Please round your answer to the nearest whole number, if necessary.

Accepted Answer

The answer of From the following grouped data, find the...

Question 18

A card is chosen from a deck of 52 cards. It is put back in the deck and a second card is chosen. What is the probability of an ace and a 2?

Accepted Answer

A)  $\frac { 1 } { 13 }$ 
B)  $\frac { 1 } { 8 }$ 
C)  $\frac { 2 } { 169 }$ 
D)  $\frac { 2 } { 13 }$ 
E)  $\frac { 1 } { 169 }$ 
A)  $\frac { 1 } { 13 }$ 
B)  $\frac { 1 } { 8 }$ 
C)  $\frac { 2 } { 169 }$ 
D)  $\frac { 2 } { 13 }$ 
E)  $\frac { 1 } { 169 }$

Question 19

A bag contains 10 green marbles, 4 white marbles, and 6 red marbles. A marble is removed and then placed back in the bag, and a second marble is picked. What is the probability of getting a green marble and a red marble?

Accepted Answer

A)  $\frac { 3 } { 20 }$ 
B)  $\frac { 3 } { 10 }$ 
C)  $\frac { 3 } { 50 }$ 
D)  $\frac { 1 } { 400 }$ 
A)  $\frac { 3 } { 20 }$ 
B)  $\frac { 3 } { 10 }$ 
C)  $\frac { 3 } { 50 }$ 
D)  $\frac { 1 } { 400 }$

Question 20

An inspector recorded the number of faulty calculators and the hour in which they passed by his station, as shown in the table below.   $$\begin{array} { | l | l | l | l | l | l | l | l | l | l | l | } 
\hline \text { Time } & 7 - 8 & 8 - 9 & 9 - 10 & 10 - 11 & 11 - 12 & 13 - 14 & 14 - 15 & 15 - 16 & 16 - 17 & 17 - 18 \
\hline \begin{array} { c } 
\text { Number of } \
\text { faulty } \
\text { calculations }
\end{array} & 2 & 4 & 1 & 5 & 9 & 4 & 5 & 3 & 6 & 10 \
\hline
\end{array}$$ Draw a line graph for these data.

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Find the sample space of the cards from a standard deck with a value of less than 4, when the ace is the highest card.

Use the figure below to answer the following question. Between what two decibel readings is the greatest change in power output found? (Hint: assume that db readings were taken at the following points: 23, 25, 27, 29, 31, 33, 35, 37)

A trucking company had hauls of the following distances. $2,019$ km, $2,007$ km, $2,101$ km, $2,022$ km, $2,032$ km What is the median measurement of the hauls?

Find the median measurement for the set of measurements. $21$ , $51$ , $7$ , $44$ , $66$ , $26$ , $56$ , $85$ , $92$ , $33$ , $18$

Find the sample standard deviation from the set of measurements below. $2.2,8.4,9.3,7.7,10.2,11.3,12.2,13.2,16.4,10.3,12.7,15.7,20.3,21.6,30.8,42.3$

Consider the following bar graph. How many barrels of per day were used by Germany?

A card is chosen from a deck of 52 cards and placed back in the deck, and a second card is chosen from the deck. What is the probability of drawing the king of diamonds and the queen of clubs?

Find the sample standard deviation from the set of measurements below. $1.003,1.104,1.118,1.054,1.062,1.111,1.219$

Draw a circle graph. Depict the suggested semester credit-hour requirements for a community college curriculum in industrial technology as shown in the table. Course Mathematics Applied science Technical specialties General education courses Semester hours 9 6 34 11

A survey of 100 families was taken to find the number of times the families had gone out to eat in the past month. The data are given in the table below. Draw a bar graph for this survey. Times out in past month Number of tamilies 0 1 1 20 2 40 3 22 4 13 5 or more 4

Consider the following bar graph. What country used the fewest barrels of oil per day?

The sample space is the set of hearts from a standard deck of 52 cards. What is the probability that the 2 of diamonds will be drawn?

Find 31% of 360^o Round your answer to the nearest tenth.

Find the sample standard deviation from the set of measurements below. $9,238 \mathrm {~m} , 9,224 \mathrm {~m} , 9,235 \mathrm {~m} , 9,232 \mathrm {~m} , 9,237 \mathrm {~m}$

From the following grouped data, find the sample standard deviation. Interval Midpoint x Frequency f Product xf 42.5-51.5 12 51.5-60.5 15 60.5-69.5 18 69.5-78.5 27 78.5-87.5 6 87.5-96.5 3 Please round your answer to the nearest whole number, if necessary.

A card is chosen from a deck of 52 cards. It is put back in the deck and a second card is chosen. What is the probability of an ace and a 2?

A bag contains 10 green marbles, 4 white marbles, and 6 red marbles. A marble is removed and then placed back in the bag, and a second marble is picked. What is the probability of getting a green marble and a red marble?

An inspector recorded the number of faulty calculators and the hour in which they passed by his station, as shown in the table below. Time 7-8 8-9 9-10 10-11 11-12 13-14 14-15 15-16 16-17 17-18 Number of faulty calculations 2 4 1 5 9 4 5 3 6 10 Draw a line graph for these data.

Basic Concepts

Signed Numbers and Powers of 10

The Metric System

Measurement

Polynomials: an Introduction to Algebra

Equations and Formulas

Ratio and Proportion

Graphing Linear Equations

Systems of Linear Equations

Factoring Algebraic Expressions

Quadratic Equations

Geometry

Right Triangle Trigonometry

Trigonometry With Any Angle

Binary and Hexadecimal Numbers

Filters

Exam 15: Basic Statistics

Find the sample space of the cards from a standard deck with a value of less than 4, when the ace is the highest card.

Use the figure below to answer the following question. Between what two decibel readings is the greatest change in power output found? (Hint: assume that db readings were taken at the following points: 23, 25, 27, 29, 31, 33, 35, 37)

A trucking company had hauls of the following distances. 2,0192,0192,019 km, 2,0072,0072,007 km, 2,1012,1012,101 km, 2,0222,0222,022 km, 2,0322,0322,032 km What is the median measurement of the hauls?

Find the median measurement for the set of measurements. 212121 , 515151 , 777 , 444444 , 666666 , 262626 , 565656 , 858585 , 929292 , 333333 , 181818

Find the sample standard deviation from the set of measurements below. 2.2,8.4,9.3,7.7,10.2,11.3,12.2,13.2,16.4,10.3,12.7,15.7,20.3,21.6,30.8,42.32.2,8.4,9.3,7.7,10.2,11.3,12.2,13.2,16.4,10.3,12.7,15.7,20.3,21.6,30.8,42.32.2,8.4,9.3,7.7,10.2,11.3,12.2,13.2,16.4,10.3,12.7,15.7,20.3,21.6,30.8,42.3

Consider the following bar graph. How many barrels of per day were used by Germany?

A card is chosen from a deck of 52 cards and placed back in the deck, and a second card is chosen from the deck. What is the probability of drawing the king of diamonds and the queen of clubs?

Find the sample standard deviation from the set of measurements below. 1.003,1.104,1.118,1.054,1.062,1.111,1.2191.003,1.104,1.118,1.054,1.062,1.111,1.2191.003,1.104,1.118,1.054,1.062,1.111,1.219

Draw a circle graph. Depict the suggested semester credit-hour requirements for a community college curriculum in industrial technology as shown in the table. Course Mathematics Applied science Technical specialties General education courses Semester hours 9 6 34 11

A survey of 100 families was taken to find the number of times the families had gone out to eat in the past month. The data are given in the table below. Draw a bar graph for this survey. Times out in past month Number of tamilies 0 1 1 20 2 40 3 22 4 13 5 or more 4

Consider the following bar graph. What country used the fewest barrels of oil per day?

The sample space is the set of hearts from a standard deck of 52 cards. What is the probability that the 2 of diamonds will be drawn?

Find 31% of 360o Round your answer to the nearest tenth.

Find the sample standard deviation from the set of measurements below. 9,238 m,9,224 m,9,235 m,9,232 m,9,237 m9,238 \mathrm {~m} , 9,224 \mathrm {~m} , 9,235 \mathrm {~m} , 9,232 \mathrm {~m} , 9,237 \mathrm {~m}9,238 m,9,224 m,9,235 m,9,232 m,9,237 m

From the following grouped data, find the sample standard deviation. Interval Midpoint x Frequency f Product xf 42.5-51.5 12 51.5-60.5 15 60.5-69.5 18 69.5-78.5 27 78.5-87.5 6 87.5-96.5 3 Please round your answer to the nearest whole number, if necessary.

A card is chosen from a deck of 52 cards. It is put back in the deck and a second card is chosen. What is the probability of an ace and a 2?

A bag contains 10 green marbles, 4 white marbles, and 6 red marbles. A marble is removed and then placed back in the bag, and a second marble is picked. What is the probability of getting a green marble and a red marble?

An inspector recorded the number of faulty calculators and the hour in which they passed by his station, as shown in the table below. Time 7-8 8-9 9-10 10-11 11-12 13-14 14-15 15-16 16-17 17-18 Number of faulty calculations 2 4 1 5 9 4 5 3 6 10 Draw a line graph for these data.

Basic Concepts

Signed Numbers and Powers of 10

The Metric System

Measurement

Polynomials: an Introduction to Algebra

Equations and Formulas

Ratio and Proportion

Graphing Linear Equations

Systems of Linear Equations

Factoring Algebraic Expressions

Quadratic Equations

Geometry

Right Triangle Trigonometry

Trigonometry With Any Angle

Binary and Hexadecimal Numbers

Filters

A trucking company had hauls of the following distances. $2,019$ km, $2,007$ km, $2,101$ km, $2,022$ km, $2,032$ km What is the median measurement of the hauls?

Find the median measurement for the set of measurements. $21$ , $51$ , $7$ , $44$ , $66$ , $26$ , $56$ , $85$ , $92$ , $33$ , $18$

Find the sample standard deviation from the set of measurements below. $2.2,8.4,9.3,7.7,10.2,11.3,12.2,13.2,16.4,10.3,12.7,15.7,20.3,21.6,30.8,42.3$

Find the sample standard deviation from the set of measurements below. $1.003,1.104,1.118,1.054,1.062,1.111,1.219$

Find 31% of 360^o Round your answer to the nearest tenth.

Find the sample standard deviation from the set of measurements below. $9,238 \mathrm {~m} , 9,224 \mathrm {~m} , 9,235 \mathrm {~m} , 9,232 \mathrm {~m} , 9,237 \mathrm {~m}$