2. A large firm collects sample data on the lengths of telephone calls (in minutes) made by employees in two different divisions, and the results are as follows. Sales Division Customer Service Division ni= 40 n2=20 Mean=10.26 Mean=6.93 Sı=8.65 S2=4.93 At 0.05 level of significance, test the claim that there is no difference between the mean times of all long-distance calls made in the two divisions. Assume that the population variances are equal.
2. A large firm collects sample data on the lengths of telephone calls (in minutes) made by employees in two different divisions, and the results are as follows. Sales Division Customer Service Division ni= 40 n2=20 Mean=10.26 Mean=6.93 Sı=8.65 S2=4.93 At 0.05 level of significance, test the claim that there is no difference between the mean times of all long-distance calls made in the two divisions. Assume that the population variances are equal.
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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![2. A large firm collects sample data on the lengths of telephone calls (in minutes) made by
employees in two different divisions, and the results are as follows.
Sales Division
Customer Service Division
ni= 40
n2=20
Mean=10.26
Mean=6.93
Sı=8.65
S2=4.93
At 0.05 level of significance, test the claim that there is no difference between the mean
times of all long-distance calls made in the two divisions. Assume that the population
variances are equal.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F264a3eec-31a1-456f-9ea0-f6aba4b03cb0%2F90b7899a-742c-49ed-be29-a41271d31c5d%2Fgyu374_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2. A large firm collects sample data on the lengths of telephone calls (in minutes) made by
employees in two different divisions, and the results are as follows.
Sales Division
Customer Service Division
ni= 40
n2=20
Mean=10.26
Mean=6.93
Sı=8.65
S2=4.93
At 0.05 level of significance, test the claim that there is no difference between the mean
times of all long-distance calls made in the two divisions. Assume that the population
variances are equal.
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