Exam 15: Basic Statistics

A poultry-eviscerating line processed the following number of boxes of turkey for each hour of the day.   Hour 7-8 8-9 9-10 10-11 11-12 1-2 2-3 3-4 Boxes of turkey 10 11 11 8 5 7 6 5 Draw a scattergram for the data displayed.

The sample space is the set of red face cards from a standard deck of cards. What is the probability that the queen of diamonds will be drawn?

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: 22, 24, 26, 28, 30, 32, 34, 36)

The illustration below lists the winning batting average for the years 1993 through 2000 in the major leagues.   Year 1993 1994 1995 1996 1997 1998 1999 2000 Batting average 0.366 0.399 0.365 0.350 0.367 0.364 0.380 0.375 Draw a line graph for these data.

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

A trucking company had hauls of the following mileage. 2,032 km, 2,059 km, 2,035 km, 2,026 km, 2,089 km What is the mean measurement of the hauls?

The sample space is the set of cards from a standard deck of cards that are less than 5. What is the probability that one ace will be drawn?

During a manufacturing process, 87 defective items are found out of 10,500 produced. What is the probability that when an item is selected, it is defective?

A bag contains 1 red marble, 1 blue marble, 1 green marble, 1 black and 1 white marble. What is the probability of drawing 1 red marble, replacing it, and then drawing a red marble again?

Find the sample standard deviation from the set of measurements below. 3,181,447,2,969,7,633,1,185,6,657,2,167,8,193,5,108,9,661, 5,103,6,203,1,987,4,032,1,209,3,207,4,695,3,306,7,222

The shipment times in hours for a load of goods from a factory to market are tabulated in the following frequency distribution. Find the sample standard deviation of shipment time. Shipment time (hours) Midpoint x Frequency f Product xf 22.5-28.5 1 28.5-34.5 37 34.5-40.5 82 40.5-46.5 28 46.5-52.5 13 52.5-58.5 4 Round your answer to the nearest tenth.

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

Find the sample standard deviation from the set of measurements below. $6.645 \mathrm {~mm} , 6.649 \mathrm {~mm} , 6.647 \mathrm {~mm} , 6.646 \mathrm {~mm} , 6.630 \mathrm {~mm}$

The number of passengers and their luggage weight in pounds on Flight 2102 have been tabulated in the frequency distribution in the table below. Draw a histogram for the data displayed.   Neight (lb) Frequency t 0.5-9.5 1 9.5-18.5 3 18.5-27.5 27 27.5-36.5 36 36.5-45.5 59 45.5-54.5 21 54.5-63.5 16 63.5-72.5 13 72.5-81.5 5 81.5-90.5 2

Find the sample space of the black face cards from a standard deck of cards.

Use the figure below to answer the following question. Between what two decibel readings is the least change in power output found? (Hint: assume that db readings were taken at the following points: 11, 13, 15, 17, 19, 21, 23, 25)

A technician is often asked to read graphs drawn by a machine. The machine records measurements by plotting them on a graph. Any field in which quality control or continuous information is needed might use this way of recording measurements. The figure labeled "Microbarograph (Atmospheric pressure in inches)" shows a microbarograph used by the weather service to record atmospheric pressure in inches. What was the atmospheric pressure recorded for Monday at noon?

The mileage on six vehicles leased for one year were recorded as follows. $25,760,25,730,25,830,25,750,25,830,25,820$ What is the mean measurement?

The sample space is the set of black face cards from a standard deck of cards. What is the probability that the card is greater than 2?

From the following grouped data, find the sample standard deviation. Interval Midpoint x Frequency f Product xf 41.5-48.5 10 48.5-55.5 16 55.5-62.5 18 62.5-69.5 25 69.5-76.5 4 76.5-83.5 1 Round your answer to the nearest whole number.