Discuss the below:
Q: 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. Interpret this correlation.
|
Age in Months
|
Number of Words Known
|
X2
|
Y2
|
XY
|
|
12.00
|
6.00
|
144.00
|
36.00
|
72.00
|
|
15.00
|
8.00
|
225.00
|
64.00
|
120.00
|
|
9.00
|
4.00
|
81.00
|
16.00
|
36.00
|
|
7.00
|
5.00
|
49.00
|
25.00
|
35.00
|
|
18.00
|
14.00
|
324.00
|
196.00
|
252.00
|
|
24.00
|
18.00
|
576.00
|
324.00
|
432.00
|
|
15.00
|
7.00
|
225.00
|
49.00
|
105.00
|
|
16.00
|
6.00
|
256.00
|
36.00
|
96.00
|
|
21.00
|
12.00
|
441.00
|
144.00
|
252.00
|
|
15.00
|
17.00
|
225.00
|
289.00
|
255.00
|
|
152
|
97
|
2546
|
1179
|
1655
|