Statistics: T-test Hypothesis Testing – #29510


Question: Use the following set of data to answer the following questions.

a. Compute the correlation between age in months and number of words known.

b. Test for the significance of the correlation at the .05 level of significance.

c. Go way back and recall what you learned about correlation coefficients and interpret this correlation.

Age in Months Number of Words Known
12 7
15 9
9 3
7 8
18 15
24 20
15 6
16 8
21 15
15 19

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