Find the critical chi statistic

Reference no: EM13722736

Calculate the answer of the following question

Question- The scores on a placement test given to college freshmen for the past five years are approximately normally distributed with a mean of 74 and a variance of 8.

Part 1- If a random sample of 20 students who take the placement test this year had a sample variance of 20, calculate the critical chi statistic. Round answer to 3 decimal places.

I need experts help to find the critical chi statistic.

Reference no: EM13722736

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