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Previous 222324252627282930-Next | Question 21 of 40 (1 point) View problem in a pop-up A researcher wishes to see if the average number of sick days a worker takes per year is greater than 5. A random sample of 26 workers at a large department store had a mean of 5.2. The standard deviation of the population is 1.3. Is there enough evidence to support the researcher's claim at = 0.05? Assume that the variable is normally distributed. Use the critical value method with tables. Part 1 State the hypotheses and identify the claim with the correct hypothesis. not claim claim This hypothesis test is a : one-tailed : test. Part 2 out of 5 Find the critical value. Round the answer to two decimal places. | Critical value is [ NEXI

Explanation / Answer

This is right tailed test and critical value at 5% is 1.64, found by finding the value such that area corresponds to the left of this value is 0.95

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