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Access the hourly wage data on the below Excel Data File (Hourly Wage). An economist wants...

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Basic Math

Access the hourly wage data on the below Excel Data File (HourlyWage). An economist wants to test if the average hourly wage isless than $28. Assume that the population standard deviation is$8.

b-1. Find the value of the test statistic. (Negative valueshould be indicated by a minus sign. Round intermediatecalculations to at least 4 decimal places and final answer to 2decimal places.)

Hourly WageEducationExperienceAgeGender
39.00112401
21.0241390
42.3642380
20.1759531
22.57615591
43.43612361
17.8795450
24.62412370
28.36514371
10.25113431
27.1485320
10.35918401
27.0971491
21.34410430
19.7119310
32.41922450
22.80113311
26.07414550
42.1465301
21.4293280
21.52615601
34.00413320
38.8549581
29.0654280
12.6065401
27.6462370
32.28418521
33.4664440
18.0564570
28.5693301
13.4158430
43.5476311
33.2343330
27.34623511
18.41415370
31.8249450
31.3063550

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