[See Solution] A researcher is interested in the possible relationship between two of the subsets on the WAIS (Wechsler Adult Intelligence Scale). A random
Question: A researcher is interested in the possible relationship between two of the subsets on the WAIS (Wechsler Adult Intelligence Scale). A random sample of eight Army recruits is selected; they are given both the Vocabulary subtest and the Digit Span (a test of short-term memory) subtest. Their scores are as follows:
| Subject | Digit Span | Vocabulary |
| 1 | 9 | 11 |
| 2 | 6 | 8 |
| 3 | 12 | 13 |
| 4 | 7 | 6 |
| 5 | 10 | 10 |
| 6 | 5 | 6 |
| 7 | 9 | 11 |
| 8 | 10 | 9 |
- Plot the data and describe the scatterplot.
- Compute the correlation between the two sets of subtest scores, and test for its significance.
- Construct a regression equation for predicting Vocabulary scores knowing Digit Span scores.
- If one of the subjects receives a score of 11 on the Digit Span subtest, what is your best estimate of the subtest score that person will receive on the Vocabulary subtest?
Deliverable: Word Document 
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