Kizspy | Question: 67
(Choose 1 answer)
(See picture)
Α. 1.26
Β. 1.96
C. 1.99
D. 1.57
E. None of the other choice is correct
Various temperature measurements are recorded at different times for a particular city. The mean of 32°C and the standard deviation of 5°C is obtained for 40 temperatures on 40 different days. Find the test statistic to test the claim that the population mean is 31°C, using a 0.05 significance level.
Let
Z0.025 1.96, t0.025.39=2.02
