Hypothesis testing : Five step method T test
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In a study it took an average of 2.1 minutes to locate information and buy products on the Delta Airlines website, compared to an average of 2.7 minutes on the British Airways site. Assume that the data file contains the times (in minutes) required during visits to the two websites. In a suitable one-tail test at the 0.01 level, was the mean time for the Delta visits significantly less than that for the British Airway visits? Identify and interpret the p-value for the test.
Delta British
2.12 2.44
1.40 2.51
2.03 2.48
2.00 2.88
2.34 2.60
1.63 2.38
1.96 2.77
3.36 2.96
1.69 2.82
2.01 2.45
1.86 3.29
2.08 3.05
2.61 2.03
1.62 3.18
1.67 2.65
2.17 2.94
2.69 3.31
2.34 2.93
2.25 1.79
1.89 2.54
1.96 2.70
2.37
2.10
2.29
2.06
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Solution Summary
The solution provides step by step method for the calculation of independent sample t test . Formula for the calculation and Interpretations of the results are also included.
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