Question 1

Consider the following bar graph. How many barrels of oil per day were used by the United Kingdom?   __________ million barrels

Accepted Answer

The answer of Consider the following bar graph. How many...

Question 2

Find the sample standard deviation from the set of measurements below. $204 \overline { 0 } , 1,952,2,139,2,234,2,144,1,862,1,998,1,789$

Accepted Answer

A)  $s = 143.0$ 
B)  $s = 146.0$ 
C)  $s = 137.0$ 
D)  $s = 141.0$ 
E)  $s = 148.0$ 
A)  $s = 143.0$ 
B)  $s = 146.0$ 
C)  $s = 137.0$ 
D)  $s = 141.0$ 
E)  $s = 148.0$

Question 3

A certain manufacturing process has a target value of 1.20 cm and a standard deviation of ±0.15 cm A sample of nine measurements is made each hour as follows. $$\begin{array} { l c c c c c c } 
\text { Hour } & 1 & 2 & 3 & 4 & 5 & 6 \
\
\text { Mean } & 1.30 & 1.15 & 1.10 & 1.08 & 1.11 & 1.25 \
\text { Hour } & 7 & 8 & 9 & 10 & 11 & 12 \
\
\text { Mean } & 1.15 & 1.07 & 1.18 & 1.16 & 1.12 & 1.08 \
\text { Hour } & 13 & 14 & 15 & 16 & 17 & 18 \
\
\text { Mean } & 1.25 & 1.12 & 1.21 & 1.26 & 1.50 & 1.30 \
\text { Hour } & 19 & 20 & 21 & 22 & 23 & 24 \
\
\text { Mean } & 1.26 & 1.29 & 1.19 & 1.17 & 1.15 & 1.31
\end{array}$$ Draw a mean control chart using data from the table above.

Accepted Answer

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

Question 4

Find the sample space of the diamonds from a standard deck of 52 cards.

Accepted Answer

A)  [3, 4, 5, 6, 7, 8, 9, 10, Jack, Queen, King] 
B)  [Ace, 2, 3, 4, 5, 6, 7, 8, 9, 10, Jack, Queen, King] 
C)  [Ace, 2, 3, 4, 5, 6, 7, 8, 9, 10] 
D)  [Ace, 2, 3, 4, 5, 6, 7, 8, 9, 10, Queen, King] 
E)  [Ace, 2, 3, 4, 5, 6, 7, 8, 9, 10, Jack] 
A)  [3, 4, 5, 6, 7, 8, 9, 10, Jack, Queen, King] 
B)  [Ace, 2, 3, 4, 5, 6, 7, 8, 9, 10, Jack, Queen, King] 
C)  [Ace, 2, 3, 4, 5, 6, 7, 8, 9, 10] 
D)  [Ace, 2, 3, 4, 5, 6, 7, 8, 9, 10, Queen, King] 
E)  [Ace, 2, 3, 4, 5, 6, 7, 8, 9, 10, Jack]

Question 5

Consider the following bar graph. How many barrels of oil per day were used by the United States?   __________ million barrels

Accepted Answer

The answer of Consider the following bar graph. How many...

Question 6

A coin is tossed, and a die is thrown. What is the probability of a head and a 1?

Accepted Answer

A)  $\frac { 5 } { 17 }$ 
B)  $\frac { 1 } { 3 }$ 
C)  $\frac { 1 } { 6 }$ 
D)  $\frac { 1 } { 12 }$ 
E)  $\frac { 1 } { 17 }$ 
A)  $\frac { 5 } { 17 }$ 
B)  $\frac { 1 } { 3 }$ 
C)  $\frac { 1 } { 6 }$ 
D)  $\frac { 1 } { 12 }$ 
E)  $\frac { 1 } { 17 }$

Question 7

Draw a circle graph. In 1996, the values, in millions of dollars, of crop output for farms in the United States were as follows: food grains, 11,666
Food crops, 20,065
Cotton, 7,342
Oil crops, 17,703
Tobacco, 4,900
Fruits and tree nuts, 11,593
Vegetables, 14,491
All other, 15,737

Accepted Answer

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

Question 8

Find 65% of 360o

Accepted Answer

A)  306o 
B)  270o 
C)  234o 
D)  247o 
E)  198o 
A)  306o 
B)  270o 
C)  234o 
D)  247o 
E)  198o

Question 9

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

Accepted Answer

A)  $\frac { 4 } { 13 }$ 
B)  $\frac { 1 } { 13 }$ 
C)  $\frac { 1 } { 16 }$ 
D)  $\frac { 1 } { 8 }$ 
E)  $\frac { 1 } { 32 }$ 
A)  $\frac { 4 } { 13 }$ 
B)  $\frac { 1 } { 13 }$ 
C)  $\frac { 1 } { 16 }$ 
D)  $\frac { 1 } { 8 }$ 
E)  $\frac { 1 } { 32 }$

Question 10

Find the sample standard deviation from the set of measurements below. $6,098,506 \overline { 0 } , 7,105,4,117,605 \overline { 0 } , 594 \overline { 0 } , 7,119,5,852,626 \overline { 0 } , 10,172,907 \overline { 0 } , 10,174$

Accepted Answer

A)  $s = 1,845$ 
B)  $s = 1,841$ 
C)  $s = 1,852$ 
D)  $s = 1,855$ 
E)  $s = 1,850$ 
A)  $s = 1,845$ 
B)  $s = 1,841$ 
C)  $s = 1,852$ 
D)  $s = 1,855$ 
E)  $s = 1,850$

Question 11

In a classroom there are 13 female students and 9 male students. If a teacher picks a student at random, what is the probability that the student is a female?

Accepted Answer

A)  $\frac { 9 } { 23 }$ 
B)  $\frac { 9 } { 22 }$ 
C)  $\frac { 1 } { 13 }$ 
D)  $\frac { 1 } { 22 }$ 
E)  $\frac { 13 } { 22 }$ 
A)  $\frac { 9 } { 23 }$ 
B)  $\frac { 9 } { 22 }$ 
C)  $\frac { 1 } { 13 }$ 
D)  $\frac { 1 } { 22 }$ 
E)  $\frac { 13 } { 22 }$

Question 12

The table below lists the male life expectancy for the given countries. Draw a bar graph for these data.   $\begin{array} { | l | l | l | l | l | l | l | l | l | l | l | } 
\hline \text { Country } & \text { Egypt } & \text { Nigeria } & \text { Israel } & \text { Japan } & \text { France } & \text { Sweden } & \text { Canada } & \text { Mexico } & \text { U.S. } & \text { Russia } \
\hline \text { Years } & 61.2 & 51.8 & 76.8 & 77.6 & 74.8 & 77.1 & 76.0 & 68.2 & 74.5 & 59.6 \
\hline
\end{array}$

Accepted Answer

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

Question 13

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 12:00 midnight? Use the data in the figure to answer this question.

Accepted Answer

A)  97 % 
B)  76 % 
C)  83 % 
D)  87 % 
E)  90 % 
A)  97 % 
B)  76 % 
C)  83 % 
D)  87 % 
E)  90 %

Question 14

The sample space is the set of cards from a standard deck of cards that are less than 8. What is the probability that an ace will be drawn?

Accepted Answer

A)  $\frac { 4 } { 25 }$ 
B)  1 
C)  $\frac { 1 } { 25 }$ 
D)  $\frac { 1 } { 4 }$ 
E)  0 
A)  $\frac { 4 } { 25 }$ 
B)  1 
C)  $\frac { 1 } { 25 }$ 
D)  $\frac { 1 } { 4 }$ 
E)  0

Question 15

A laboratory technician records the life span (in months) of rats treated at birth with a fertility hormone. From the following frequency distribution, find the sample standard deviation of life span.
  $$\begin{array} { | l | l | l | l | } 
\hline \text { Life span (months) } & \text { Midpoint } x & \text { Frequency } f & \text { Product } x f \
\hline -0.5 - 2.5 & & 11 & \
\hline 2.5 - 5.5 & & 20 & \
\hline 5.5 - 8.5 & & 21 & \
\hline 8.5 - 11.5 & & 29 & \
\hline 11.5 - 14.5 & & 19 & \
\hline
\end{array}$$ Please round your answer to the nearest whole number, if necessary.
__________ months

Accepted Answer

The answer of A laboratory technician records the life span...

Question 16

A trucking company had seven items with the following weights. $729$ lb, $471$ lb, $258$ lb, $781$ lb, $1,006$ lb, $809$ lb, $918$ lb What is the median measurement?

Accepted Answer

A)  $809$ lb 
B)  $781$ lb 
C)  $471$ lb 
D)  $729$ lb 
E)  $791$ lb 
A)  $809$ lb 
B)  $781$ lb 
C)  $471$ lb 
D)  $729$ lb 
E)  $791$ lb

Question 17

Find the median measurement for the set of measurements. $9,233$ m, $9,228$ m, $9,247$ m, $9,238$ m, $9,232$ m

Accepted Answer

A)  $9,283$ m 
B)  $9,238$ m 
C)  $9,233$ m 
D)  $9,228$ m 
E)  $9,247$ m 
A)  $9,283$ m 
B)  $9,238$ m 
C)  $9,233$ m 
D)  $9,228$ m 
E)  $9,247$ m

Question 18

Find the mean measurement for the set of measurements. 248, 622, 328, 126, 761, 955, 845, 24, 0.14, 857, 197, 345, 367, 289, 628, 738, 804, 2,889, 212, 485

Accepted Answer

A)  940 
B)  35,701 
C)  1,849 
D)  1,854 
E)  1,879 
A)  940 
B)  35,701 
C)  1,849 
D)  1,854 
E)  1,879

Question 19

The Precision Manufacturing produces 20,000 machine nuts daily. There is an allowance of 1% error. Quality control checks 250 nuts each day for 40 days. The number of machine nuts that are not acceptable each day are given in the table below. Draw a run chart for number of defective parts by week.

Accepted Answer

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

Question 20

Of 686 students, 362 are taking mathematics. What angle of a circle would show the percent of students taking mathematics? Round your answer to the nearest tenth.

Accepted Answer

A)  223.0o 
B)  203.6o 
C)  190.0o 
D)  207.3o 
E)  360.0o 
A)  223.0o 
B)  203.6o 
C)  190.0o 
D)  207.3o 
E)  360.0o

Consider the following bar graph. How many barrels of oil per day were used by the United Kingdom? __________ million barrels

Find the sample standard deviation from the set of measurements below. $204 \overline { 0 } , 1,952,2,139,2,234,2,144,1,862,1,998,1,789$

Find the sample space of the diamonds from a standard deck of 52 cards.

Consider the following bar graph. How many barrels of oil per day were used by the United States? __________ million barrels

A coin is tossed, and a die is thrown. What is the probability of a head and a 1?

Draw a circle graph. In 1996, the values, in millions of dollars, of crop output for farms in the United States were as follows: food grains, 11,666 Food crops, 20,065 Cotton, 7,342 Oil crops, 17,703 Tobacco, 4,900 Fruits and tree nuts, 11,593 Vegetables, 14,491 All other, 15,737

Find 65% of 360^o

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

Find the sample standard deviation from the set of measurements below. $6,098,506 \overline { 0 } , 7,105,4,117,605 \overline { 0 } , 594 \overline { 0 } , 7,119,5,852,626 \overline { 0 } , 10,172,907 \overline { 0 } , 10,174$

In a classroom there are 13 female students and 9 male students. If a teacher picks a student at random, what is the probability that the student is a female?

The table below lists the male life expectancy for the given countries. Draw a bar graph for these data. Country Egypt Nigeria Israel Japan France Sweden Canada Mexico U.S. Russia Years 61.2 51.8 76.8 77.6 74.8 77.1 76.0 68.2 74.5 59.6

The sample space is the set of cards from a standard deck of cards that are less than 8. What is the probability that an ace will be drawn?

A trucking company had seven items with the following weights. $729$ lb, $471$ lb, $258$ lb, $781$ lb, $1,006$ lb, $809$ lb, $918$ lb What is the median measurement?

Find the median measurement for the set of measurements. $9,233$ m, $9,228$ m, $9,247$ m, $9,238$ m, $9,232$ m

Find the mean measurement for the set of measurements. 248, 622, 328, 126, 761, 955, 845, 24, 0.14, 857, 197, 345, 367, 289, 628, 738, 804, 2,889, 212, 485

The Precision Manufacturing produces 20,000 machine nuts daily. There is an allowance of 1% error. Quality control checks 250 nuts each day for 40 days. The number of machine nuts that are not acceptable each day are given in the table below. Draw a run chart for number of defective parts by week.

Of 686 students, 362 are taking mathematics. What angle of a circle would show the percent of students taking mathematics? Round your answer to the nearest tenth.

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

Consider the following bar graph. How many barrels of oil per day were used by the United Kingdom? __________ million barrels

Find the sample standard deviation from the set of measurements below. 2040‾,1,952,2,139,2,234,2,144,1,862,1,998,1,789204 \overline { 0 } , 1,952,2,139,2,234,2,144,1,862,1,998,1,7892040,1,952,2,139,2,234,2,144,1,862,1,998,1,789

Find the sample space of the diamonds from a standard deck of 52 cards.

Consider the following bar graph. How many barrels of oil per day were used by the United States? __________ million barrels

A coin is tossed, and a die is thrown. What is the probability of a head and a 1?

Draw a circle graph. In 1996, the values, in millions of dollars, of crop output for farms in the United States were as follows: food grains, 11,666 Food crops, 20,065 Cotton, 7,342 Oil crops, 17,703 Tobacco, 4,900 Fruits and tree nuts, 11,593 Vegetables, 14,491 All other, 15,737

Find 65% of 360o

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

In a classroom there are 13 female students and 9 male students. If a teacher picks a student at random, what is the probability that the student is a female?

The table below lists the male life expectancy for the given countries. Draw a bar graph for these data. Country Egypt Nigeria Israel Japan France Sweden Canada Mexico U.S. Russia Years 61.2 51.8 76.8 77.6 74.8 77.1 76.0 68.2 74.5 59.6

The sample space is the set of cards from a standard deck of cards that are less than 8. What is the probability that an ace will be drawn?

A trucking company had seven items with the following weights. 729729729 lb, 471471471 lb, 258258258 lb, 781781781 lb, 1,0061,0061,006 lb, 809809809 lb, 918918918 lb What is the median measurement?

Find the median measurement for the set of measurements. 9,2339,2339,233 m, 9,2289,2289,228 m, 9,2479,2479,247 m, 9,2389,2389,238 m, 9,2329,2329,232 m

Find the mean measurement for the set of measurements. 248, 622, 328, 126, 761, 955, 845, 24, 0.14, 857, 197, 345, 367, 289, 628, 738, 804, 2,889, 212, 485

The Precision Manufacturing produces 20,000 machine nuts daily. There is an allowance of 1% error. Quality control checks 250 nuts each day for 40 days. The number of machine nuts that are not acceptable each day are given in the table below. Draw a run chart for number of defective parts by week.

Of 686 students, 362 are taking mathematics. What angle of a circle would show the percent of students taking mathematics? Round your answer to the nearest tenth.

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

Find the sample standard deviation from the set of measurements below. $204 \overline { 0 } , 1,952,2,139,2,234,2,144,1,862,1,998,1,789$

Find 65% of 360^o

A trucking company had seven items with the following weights. $729$ lb, $471$ lb, $258$ lb, $781$ lb, $1,006$ lb, $809$ lb, $918$ lb What is the median measurement?

Find the median measurement for the set of measurements. $9,233$ m, $9,228$ m, $9,247$ m, $9,238$ m, $9,232$ m