MATH 1342Name:Spring 2021Instructor: Ritter Exam 13/1/2021 and 3/2/20211. (9 points) Barry Bonds was a Major League Baseball player and seven-time Most Valuable Player. His 22 seasonal home run totals are in the following table followed by the5-Number Summary.16 25 24 19 33 25 34 46 37 33 4240 37 34 49 73 46 45 45526 28min = 5Q1= 25median = 34Q3= 45max = 73
(a) Find the I QR.
(b) Use the 1.5 I QR rule to determine which if any of the observations are outliers.
(c) Between what two values does the middle 50% of the data lie?
MATH 1342Exam 1 – Page 2 of 113/1/2021 and 3/2/20212.
The following figure is a dot plot of a random sample of 200 ACT Math scores.Using the 95% Rule and counting dots, estimate the value of the standard deviation from the plot.
MATH 1342Exam 1 – Page 3 of 113/1/2021 and 3/2/20213. (13 points) From a random survey of US adults, 35 of 181 women had tried a low fat diet while 8 of the 105 men had tried a low-fat diet.
(a) Create a two-way table of the data. Include row and column labels, as well as totals across and down.
(b) What is the sample proportion of women who have tried a low-fat diet?
(c) What is the sample proportion of men who have tried a low-fat diet?
(d) Compute the difference in the sample proportions of men and women who have tried a low-fat diet?
