Math 1342 Sample Test 1 (Page 2 of 2) in pdf

Math 1342 Sample Test 1 Page 2

8. Use your Grouped Frequency Table to calculate the grouped variance and the grouped standard

deviation.

9. Use StatCrunch and your Grouped Frequency Table to make a Histogram. Paste the graph into your

Word document.

10. Use the data shown below and StatCrunch to create a Pie Chart and also a Pareto Chart. Paste the

graphs into your Word document.

Favorite Colors

Frequency

Red

Blue

Green

Yellow

Orange

11. Use the data: 5, 8, 12, 15, 9, 11, 13, 20, 8, 10, 9, 8, 6, 20, 8

a. Calculate the z Score for 11? Show your work. Hint: Use StatCrunch to help.

b. Calculate the z Score for 8? Show your work. Hint: Use StatCrunch to help.

12. Use the data: 5, 8, 12, 15, 9, 11, 13, 20, 8, 10, 9, 8, 6, 20, 8

c. Calculate the percentile rank for 12? Show your work.

d. Determine the value that corresponds to the 30th percentile? Show your work.

13. Chebyshev’s Theorem - If the mean is 10 and the standard deviation is 4 what is the predicted

percentage of values that will live in the interval (1, 19)?

14. For the following data use StatCrunch to make a Scatter Plot. Paste the graph into your Word

document.

Age, X

Hours, y

5.5

3.5

Math 1342 Sample Test 1 Page 2