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As an owner of a business, having a consistent level of sales is important. Prior to...

  1. As an owner of a business, having a consistent level of sales is important. Prior to the recession that started in 2007, the standard deviation of the sales of a local business was $474. In a sample of 28 weeks since the start of the recession, sales have averaged $6800 per week with a standard deviation of $892. When testing the hypothesis (at the 5% level of significance) that the variance is higher than it was pre-recession, what is the test statistic? (please round your answer to 2 decimal places) ***PLEASE SHOW WORK***
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The test statistics is 95.62

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