A medical investigation claims that the average number of infections per week at a hospital in southwestern Pennsylvania is 17.5.

A random sample of 10 weeks had a mean number of 16.3 infections. The sample standard deviation is 1.8. Use = 02?

Find the followinga) Steps 1) : Ho: H₁: b) Step2) Find the test statistic . (Round your answer to 3 decimal places)

c) Step 3) Analyze : Use Traditional Method .

Need to find the critical value(s) and compare it with the Test statistics

d) Step 4) Write the decision about the hypothesis

e) Step 5) Write the conclusion about the claim