A Company Collects Data On The Lengths Of Telephone Calls Made By Employees In Two Different Divisions The Mean And Sta 1 (43.66 KiB) Viewed 132 times
A Company Collects Data On The Lengths Of Telephone Calls Made By Employees In Two Different Divisions The Mean And Sta 2 (26.32 KiB) Viewed 132 times
A company collects data on the lengths of telephone calls made by employees in two different divisions. The mean and standard deviation for the sales division are 10.26 and 8.56, respectively. The mean and standard deviation for the shipping and receiving division are 6.93 and 4.93, respectively. A hypothesis test was run, and the computer output follows. Significance level = 0.01 Degrees of freedom = 56 Confidence interval limits = -0.18979, 6.84979 Test statistic t = 1.89566 Critical value t = -2.0037, 2.0037 P-value = 0.06317 Significance level = 0.05 Use the information above to answer the questions below Which number from the output gives the probability of a type 1 error that is calculated from the sample data? Your answer What are your conclusion? Your answer
The values of a chi-square test cannot be negative. True False No error is committed when the null hypothesis is rejected when it is false. True False When computing the F test value, you always place the larger variance in the numerator of the fraction. True False
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