There is a histogram that goes with problems 13, 14, 15, and 16, but it doesn't show up in this file. There is a line that says "EMBED MtbGraph.Document.15" that I suspect is a placeholder for the actual graph.

Can you take a screenshot of the histogram and post the screenshot image as a separate file?

I can't answer #13 or #14 without the histogram.

Also, since these are multiple choice questions, do you just need the final answers, or do you need the steps taken to get the solutions?

Let me know if you can open and read file. I've added three more questions, hope you don't mind answering. I'll be sure to include additional $. Thanks again!

Customer:replied 3 years ago.

Can you resend your Solutions another way, I can not open it from that mediafire from the computer I'm using.

4.B. Percentage of American adults who work full time

5.D. All of the above

6.A. the ratio scale

7.D. Observational studies

8.A. Experimental studies

9.B. the population

10.A. Given the prevalence of identity theft, are you reluctant to provide credit-cardinformation online?

11.D. A scatter diagram

12.A. 27.78%

13.B. 45%

14.C. Right skewed

15.A. Median

16.B. $22,057

17.A. The mean would increase

18.C. the mean

19.B. 30%

20.A. 12.5

21.B. the pie chart

22.C. $56.99

23.A. $31.43

24.E. -1.24

25.C. -0.9265

Conference responses:

1. The 15th percentile corresponds to a left tail area of 0.15. The corresponding z-value obtained from Excel is -1.0364. The IQ corresponding to the 15th percentile is then:

-1.0364 = (x - 100) / 16

x = 100 - (1.0364)(16)

x = 83.42

2. The 75th percentile corresponds to a right tail area of 0.25. The corresponding z-value obtained from Excel is 1.6745. The IQ corresponding to the 75th percentile is then:

1.6745 = (x - 100) / 16

x = 100 + (1.6745)(16)

x = 126.79

I'll post the solutions for the additional problems shortly.

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