To test against
Here
The test statistic can be written as
which under H0 follows a F distribution with df.
We reject H0 at 10% level of significance if P-value < 0.10
Now,
The value of the test statistic
and P-value
Since P-value > 0.10, so we fail to reject H0 at 10% level of significance and we cannot conclude that there is a statistically significant difference between the variances for the two companies.
ans->i)
Data were collected on the top 1,000 financial advisers. Company A had 239 people on the...
Barron's has collected data on the top 1,000 financial advisers. Company A and Company B have many of their advisers on this list. A sample of 16 of the Company A advisers and 10 of the Company B advisers showed that the advisers managed many very large accounts with a large variance in the total amount of funds managed. The standard deviation of the amount managed by the Company A advisers was s1 = $583 million. The standard deviation of...
Data we Data were collected on the top 1,000 financial advisers. Company A had 239 people on the list and another company, Company B, had 121 people on the list. A sample of 16 of the advisers from Company A and 10 of the advisers from Company B showed that the advisers managed many very large accounts with a large variance in the total amount of funds managed. The standard deviation of the amount managed by advisers from Company A...
Help on finding p value Data were collected on the top 1,000 financial advisers. Company A had 239 people on the list and another company, Company B, had 121 people on the list. A sample of 16 of the advisers from the amount funds managed by advisers from the two firms of the amount
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