An egg packing company has stated that the standard deviation of ...

[burton19126]

An egg packing company has stated that the standard deviation of the weights of their grade A large eggs is .07 ounces or less. The sample variance for 51 eggs was .0065 ounces. Can this sample result confirm the company's claim? Use  = .1.

Question 2

A lumber company has claimed that the standard deviation for the lengths of their six-foot boards is .5 inches or less. To test their claim, a random sample of 17 six-foot boards is selected; and it is determined that the variance of the sample is .4 . Do the results of the sample support the company's claim? Use  = .1.

[lolol]

Answer to Question 1

Since 2 = 66.33 > 63.167 (p-value is between .05 and .10), reject H0; no, the sample result cannot confirm the company's claim.

Answer to Question 2

Since 2 = 25.60 > 23.542, reject H0; no, the sample results do not support the company's claim.

[burton19126]

Both answers were spot on, thank you once again

[lolol]

Great! Please up vote