## MGMT 601 Find the range for the given data.

uestion
Question 1 (4 points)

1

Find the range for the given data.
Rich Borne is currently taking Chemistry 101. On the five laboratory assignments for the quarter, he got
the following scores:
Compute the range.
Question 1 options:
1) 58

2) 16

3) 41

4) 17
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Question 2 (4 points)

2

Find the mean for the given sample data.
Bill kept track of the number of hours he spent exercising each week. The results for four months are
shown below. Find the mean number of hours Bill spent exercising per week. Round your answer to two
decimal places.

Question 2 options:
1) 7.87

2) 7.25

3) 8.10

4) 7.65
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Question 3 (4 points)

3

From the information provided, create the sample space of possible outcomes.
Both Fred and Ed have a bag of candy containing a lemon drop, a cherry drop, and a lollipop. Each takes
out a piece and eats it. What are the possible pairs of candies eaten?
Question 3 options:
1) LD-LD CD-LD LP-LP LD-LP CD-CD LD-LP LP-CD

2) LD-LD CD-LD LP-LP LD-CD CD-CD LD-LP LP-CD

3) CD-LD LD-LP LP-CD LP-LP LD-LD

4) LD-CD LD-CD LD-CD LD-LP LD-LP LD-LP CD-LP
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Question 4 (4 points)

4

Find the standard deviation of the data summarized in the given frequency distribution.
The manager of a bank recorded the amount of time each customer spent waiting in line during peak
business hours one Monday. The frequency distribution below summarizes the results. Find the standard
deviation. Round your answer to one decimal place.

Question 4 options:
1) 5.3

2) 7.0

3) 4.8

4) 5.1
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Question 5 (4 points)

5

Find the mean for the given sample data.
The local Tupperware dealers earned these commissions last month:

What was the mean commission earned? Round your answer to the nearest cent.
Question 5 options:
1) \$2469.09

2) \$2463.09

3) \$3086.36

4) \$2743.43
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Question 6 (4 points)

6

Find the indicated probability.
100 employees of a company are asked how they get to work and whether they work full time or part
time. The figure below shows the results. If one of the 100 employees is randomly selected, find the
probability that the person drives alone or cycles to work.

1. Public transportation: 8 full time, 9 part time

2. Bicycle: 3 full time, 3 part time
3. Drive alone: 28 full time, 31 part time
4. Carpool: 9 full time, 9 part time
Question 6 options:
1) 0.65

2) 0.59

3) 0.31

4) 0.36
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Question 7 (4 points)

7

Find the median for the given sample data.
The distances traveled (in miles) to 7 different swim meets are given below:
Find the median distance traveled.
Question 7 options:
1) 47 miles

2) 69 miles

3) 31 miles

4) 46 miles
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Question 8 (4 points)

8

Find the mean of the data summarized in the given frequency distribution.
The highway speeds of 100 cars are summarized in the frequency distribution below. Find the mean
speed.

Question 8 options:
1) 57.4 mph

2) 54.7 mph

3) 54.5 mph

4) 60.2 mph
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Question 9 (4 points)

9

Find the range for the given data.
The manager of an electrical supply store measured the diameters of the rolls of wire in the inventory.
The diameters of the rolls (in m) are listed below.
Compute the range.
Question 9 options:
1) 0.486

2) 0.123

3) 0.112

4) 0.473
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Question 10 (4 points)

10

Find the midrange for the given sample data.
The weights (in ounces) of 18 cookies are shown. Find the midrange.

Question 10 options:
1) 1.070

2) 1.055

3) 1.11

4) 1.085
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Question 11 (4 points)

11

Solve the problem.
The heights in feet of people who work in an office are as follows. Use the range rule of thumb to find
the standard deviation. Round results to the nearest tenth.
Question 11 options:
1) 0.5

2) 1.2

3) 0.2

4) 0.1
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Question 12 (4 points)

12

Answer the question, considering an event to be "unusual" if its probability is less than or equal to 0.05.

If a person told you in what month he was born, would it be "unusual" to guess the date of his birth (not
including the year)?
Question 12 options:
1) Yes

2) No
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Question 13 (4 points)

13

Solve the problem.
The data below consists of the heights (in inches) of 20 randomly selected women. Find the 10%
trimmed mean of the data set. The 10% trimmed mean is found by arranging the data in order, deleting
the bottom 10% of the values and the top 10% of the values and then calculating the mean of the
remaining values.

Question 13 options:
1) 64.8 in

2) 64.7 in

3) 51.8 in

4) 65.0 in

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Question 14 (4 points)

14

Solve the problem.
Skewness can be measured by Pearson’s index of skewness:

If I 1.00 or I -1.00, the data can be considered significantly skewed. Find Pearson’s index of skewness
for the test scores below.

Question 14 options:
1) -0.32

2) -0.33

3) -0.27

4) 0.32
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Question 15 (4 points)

15

Determine whether the events are mutually exclusive.
Go to a formal dinner affair.
Wear blue jeans.
Question 15 options:
1) Yes

2) No
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Question 16 (4 points)

16

Find the indicated probability.
The probability that an event will occur is 0.5. What is the probability that the event will not occur?
Question 16 options:
1) 1

2) 0.5

3) 0

4) None of these is correct.
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Question 17 (4 points)

17

Find the indicated probability.
The manager of a bank recorded the amount of time each customer spent waiting in line during peak
business hours one Monday. The frequency table below summarizes the results.

If we randomly select one of the customers represented in the table, what is the probability that the
waiting time is at least 12 minutes or between 8 and 15 minutes?
Question 17 options:
1) 0.2

2) 0.518

3) 0.704

4) 0.446
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Question 18 (4 points)

18

Find the mode(s) for the given sample data.
99, 57, 32, 57, 29, 99
Question 18 options:
1) 99, 57

2) 62.2

3) 57

4) 99
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Question 19 (4 points)

19

Find the standard deviation for the given data. Round your answer to one more decimal place than the
original data.
The normal monthly precipitation (in inches) for August is listed for 12 different U.S. cities.

Compute the standard deviation.
Question 19 options:
1) 12.03

2) 1.05

3) 1.09

4) 1.00
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Question 20 (4 points)

20

Find the indicated probability.
Among the contestants in a competition are 37 women and 27 men. If 5 winners are randomly selected,
what is the probability that they are all men?
Question 20 options:
1) 0.06458

2) 0.01059

3) 0.1852

4) 0.20692
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Question 21 (4 points)

21

Estimate the probability of the event.
Of 1275 people who came into a blood bank to give blood, 278 people had high blood pressure. Estimate
the probability that the next person who comes in to give blood will have high blood pressure.
Question 21 options:

1) 0.137

2) 0.186

3) 0.218

4) 0.269
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Question 22 (4 points)

22

Find the indicated probability.
A sample space consists of 127 separate events that are equally likely. What is the probability of each?
Question 22 options:
1) 1

2)

3) 0

4) 127
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Question 23 (4 points)

23

Find the indicated probability.
The probability that Luis will pass his statistics test is 0.65. Find the probability that he will fail his
statistics test.
Question 23 options:
1) 0.35

2) 1.54

3) 1.86

4) 0.33
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Question 24 (4 points)

24

Find the standard deviation for the given data. Round your answer to one more decimal place than the
original data.
15, 42, 53, 7, 9, 12, 14, 28, 47
Question 24 options:
1) 15.8

2) 29.1

3) 17.8

4) 16.6
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Question 25 (4 points)

25

Find the standard deviation of the data summarized in the given frequency distribution.
The test scores of 40 students are summarized in the frequency distribution below. Find the standard
deviation.

Question 25 options:
1) s = 13

2) s = 12.3

3) s = 13.7

4) s = 14.4
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