1. Use the following data to answer Questions 1a and 1b. Total no. of problems correct (out of a possible 20) Attitude...

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1. Use the following data to answer Questions 1a and 1b.

Total no. of problems correct (out of a possible 20)	Attitude toward test taking (out of a possible 100)
17	94
13	73
12	59
15	80
16	93
14	85
16	66
16	79
18	77
19	91

a. Compute the Pearson product-moment correlation coefficient by hand and show all your work.

b. Construct a scatterplot for these 10 values by hand. Based on the scatterplot, would you predict the correlation to be direct or indirect? Why?

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