The mean breaking strength of yarn used in manufacturing dra…
The mean breaking strength of yarn used in manufacturing drapery material is an important measurement. A random sample of 32 specimens is tested. The average breaking strength of the sample was 100.6 psi and the standard deviation of the sample was 2.1 psi . This copywritten question is part of a quiz or exam at Arizona State University and may not be reproduced or posted on any site without the permission of Dr. L. Chattin. If you wanted to test the hypothesis that the variance was bigger than 4 psi2, the p-value would be _________ to 4 decimal places. You must do this problem using the online calculator, ti84calc.com. You will not receive any credit for this question if you do not use the online calculator, even if you get it right.