Question
A shampoo company wants to determine if the variance of fill in their product is above 2 ounces. A random sample of 11 bottles was
A shampoo company wants to determine if the variance of fill in their product is above 2 ounces. A random sample of 11 bottles was obtained with s2 = 4. Conduct the appropriate statistical test using an alpha level of .05 and the eight steps of hypothesis testing.
Q1. You only need to state which symbol goes in the alternate hypothesis (<, >, or "not equal")?
Q2. What test? (Test of population variance, Test of two population variances, 2 Goodness of Fit Test, 2 Test of Independence, F-Test with post hoc analysis)
Q3. Directional or Non-directional?
Q4. Alpha = .05, n = , df =
Q5. Test Statistic: (just put the value, round to 2 digits)
Q6. Critical Value: (just put the value, round to 2 digits)
7. "reject" or "fail to reject"
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