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Hospital infections-sample-critical value

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Reference no: EM132340600

1. Hospital Infections (Sample - Critical Value)

A medical investigation claims that the average number of infections per week at a hospital in southwestern Pennsylvania is 16.3. A random sample of 10 weeks had a mean number of 17.7 infections. The sample standard deviation is 1.8. Is there enough evidence to reject the investigator's claim at α = 0.05?

Step 1: State the hypotheses and identify the claim.

Step 2: Find the critical value.

Step 3: Compute the test value.

Step 4: Make the decision.

Step 5: Summarize the results.

Reference no: EM132340600

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