Question: Multiple questions are being asked! Please try to answer :) 6.4. 19-T Assigned Media Question Help As part of a water quality survey, you test

Multiple questions are being asked! Please try to answer :)

6.4. 19-T Assigned Media Question Help As part of a water quality survey, you test the water hardness in several randomly selected streams. The results are shown below. Construct a confidence interval for the population variance o and the population standard deviation o. Use a 99% level of confidence. Assume that the population has a normal distribution. n = 21 s = 18 grains per gallon What is the confidence interval for the population variance o2? SS ().)(Round to one decimal place as needed.) ra ons Enter your answer in the edit fields and then click Check Answer. ? 3 parts remaining Clear All Check Answer right All rights resen of Use | Privacy Policy | Permissions | Contact Us

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