Please answer the following questions.Each answer is worth up to 0.5 points, for a total possible score on this quiz of 5 points.

1)The following table presents the profit, in a recent year, in billions of dollars, for each of the 15 largest U.S. corporations in terms of revenue.Answer the questions below regarding this sample of data.For the fill-in-the-blank questions, provide the appropriate units in order to receive full credit.

Corporation

Profit (in $Billion)

Exxon Mobil

41.1

Walmart

15.7

Chevron

26.9

ConocoPhillips

12.4

General Motors

9.2

General Electric

14.2

Berkshire Hathaway

10.2

Fannie Mae

-16.9

Ford Motor

20.2

Hewlett-Packard

7.1

AT&T

3.9

Valero Energy

2.1

Bank of America Corp.

1.5

McKesson

1.2

Verizon Communications

2.4

a)What is the mean profit for these corporations? __________________

b)What is the median profit for the corporations? __________________

c)The data are (circle one)

skewed to the right.skewed to the left. approximately symmetric.

d)What is the sample variance for these data? __________________

e)What is the sample standard deviation for these data? ___________________

2)As part of a quality control study aimed at improving a production line, the weights (in ounces) of 50 bars of soap are measured.The results are shown below, sorted from smallest to largest.

11.6

12.6

12.7

12.8

13.1

13.3

13.6

13.7

13.8

14.1

14.3

14.3

14.6

14.8

15.1

15.2

15.6

15.6

15.7

15.8

15.8

15.9

15.9

16.1

16.2

16.2

16.3

16.4

16.5

16.5

16.5

16.6

17.0

17.1

17.3

17.3

17.4

17.4

17.4

17.6

17.7

18.1

18.3

18.3

18.3

18.5

18.5

18.8

19.2

23.1

a)What is the first quartile of these data? __________________

b)What is the median of these data? ____________________

c)What is the third quartile of these data? __________________

d)What are the upper and lower outlier boundaries?

Upper: ________________Lower: _______________

e)Are there any outliers?(circle one)YESNO