# Critical value and dfD and dfN

Question # 1

The critical value for this problem should have dfN and dfD of what?

ANOVA TABLE

Source Sum of Squares Degrees of Freedom

Between 22 2

Within(error) 39 34

Total 61

Question # 2

A statistician believes that the SD of the weights of firemen is less tha 25 pounds. A sample of 20 firemen had a SD of 23.2 pounds. Assume that the variable is normally distributed with alpha equals 0.05. What is the critical value?

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#### Solution Preview

Two Questions: Critical value and dfD and dfN

Question # 1

The critical value for this problem should have dfN and dfD of what?

ANOVA TABLE

Source Sum of Squares Degrees of Freedom

Between 22 ...

#### Solution Summary

The solution examines critical value, dfD and dfN assuming the data is normally distributed.

$2.19