Discuss the below:
Assignment:
Hypothesis Test for Population Mean, σ Known
Carry out a hypothesis test for the population mean when the population standard deviation is known.
Z-Test: Mean
hours
Mean
Standard Deviation
Observations
Hypothesized Mean
SIGMA
z Stat
P(Z < = z) one-tail
z Critical one-tail
P(Z < = z) two-tail
z Critical two-tail
Hours
1108.2
1078.3
1160.7
1097.5
1029.7
1002.6
1153.7
1099.9
906.8
1000.5
1042.6
1215.0
965.4
1109.1
1028.7
1087.4
1080.7
1067.6
1025.9
962.4
992.5
1145.0
958.6
1076.3
937.2
1332.0
1062.9
977.5
1081.7
958.1
1047.1
1241.0
1175.0
1234.0
990.5
1088.4
1026.9
967.7
1007.0
942.3