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A new laboratory technician read a report that the average number of students using the computer...

A new laboratory technician read a report that the average number of students using the computer laboratory per hour was 16. To test this hypothesis, he selected a day at random and kept track of the number of students who used the lab over an eight-hour period. The results were 20, 24, 18, 16, 16, 19, 21, 23 At α = 0.05, to test the claim that the average is actually 16.

a. What is the point estimate of μ?

b. calculate the test statistic

c. find the critical value(s)

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Answer #1

The data is, 2,1 Now, 400 400 XI x = EX-157-19.63 Ex; 2 _ n(A) ² 324 n-1 24 576 18 16 256 16 256 361 21 441 529 Ex;=157 EX;=3& critical value ; tn-l;&at;0.025=2.365 Decision! because We of reject the claim at- oros (1.0.3) 1 toal = 3.49 > Itosil = 2.Hi Dear,
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