A sample of college students was asked how much they spent monthly on pizza. Approximate the mean for the cost. Monthly pizza cost ($) Number of students 10.00-19.99 7 20.00-29.99 11 30.00-39.99 27 40.00-49.99 19 50.00-59.99 10 The mean for the cost is $ (Round to the nearest cent.)

A food distribution company claims that a fast food restaurant chain receives, on average, 24 pounds of meat on a daily basis. The district manager of the restaurant chain decides to randomly sample 42 shipments from the company and finds a mean weight of 22.2 pounds with a standard deviation of 4.3 pounds. Test at a 4% level of significance to determine whether or not the food distribution company sends less than they claim.

should have the right to marry. (The 2014 data were collected before the 2015 U.S. C2. GSS 2014 and GSS 2018 respondents were asked their opinion on whether homosexuals 30 measured on a 5-point scale from strongly agree (1) to strongly disagree (5). Supreme Court decision granting same-sex couples the right to marry. Responses wer measured on a 5-point scale from strongly agree (1) to strong!y aisagiee (2). Cumulative Percentage Homosexuals Should Have Right to Marry (2014) Percentage Frequency 32.5 32.5 Strongly agree 251 57.5 25.2 Agree 195 67.3 Neither agree nor disagree 9.6 74 79.2 Disagree 92 11.9 100.0 Strongly disagree 161 20.8 Total 773 100.0 Homosexuals Should Have Cumulative Right to Marry (2018) Frequency Percentage Percentage Strongly agree 293 39.5 39.5 Agree 200 27.0 66.5 Neither agree nor disagree 70 9.4 75.9 Disagree 67 9.0 84.9 Strongly disagree 111 15.0 99.9 Total 741 99.9 a. What is the level of measurement for this variable? b. What is the mode for 2014? For 2018?

Using a normal curve table, give the percentage of scores between the mean and a Z score of (a) 0.72, (b) 0.82, (c) 1.46, (d) 1.56, (e) - 0.72. Click here to view page 1 of the table. Click here to view page 2 of the table. Click here to view page 3 of the table. Click here to view page 4 of the table.