In a laboratory experiment, two random samples gave the following Sample results : Size Sample mean Sum of squares of deviations from the mean 1 10 15 90 12 14 108 Test the equality of sample variances at 5% level of significance. Table values of F for v = 9 and va = 11 is 2.90 and for v1 11 and v2 = 9 is 3.10.

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- In a laboratory experiment, two random samples gave the following results :
Sum of squares of
deviations from the
Sample
Size
Sample mean
mean
1
10
15
90
12
14
108
Test the equality of sample variances at 5% level of significance.
Table values of F for v = 9 and vz = 11 is 2.90 and for v1 = 11 and v2 = 9 is 3.10.
Transcribed Image Text:- In a laboratory experiment, two random samples gave the following results : Sum of squares of deviations from the Sample Size Sample mean mean 1 10 15 90 12 14 108 Test the equality of sample variances at 5% level of significance. Table values of F for v = 9 and vz = 11 is 2.90 and for v1 = 11 and v2 = 9 is 3.10.
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