What is the mean of speed (rounded to 1 decimal place)?

Select one:

a. 75.5

b. 90.0

c. 60.0

d. 74.0

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What is the sample standard deviation of the speed data (rounded to 1 decimal place)?

Select one:

a. 113.4

b. 74.5

c. 10.6

d. 90.0

Question 15

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What is the minimum value of the speed data:

Select one:

a. 15.1

b. 60.0

c. 74.0

d. 14.9

e. 30.0

Some researchers collected data on the number of pairs of shoes that students own. Five students owned seven pairs, two students owned no pairs, and various students owned between one and five pairs of shoes. See the data in the frequency table:

Shoes owned	0	1	2	3	4	5	7
Frequency	2	4	20	8	6	4	5

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What is the mean of the number of pairs of shoes that the students owned?

Select one:

a. 3.0

b. 3.1

c. 2.