Summary 1 Unit 5 Assignment: Running a T-test Purdue University Global HS345 Biostatistics 2 Unit

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Unit 5 Assignment: Running a T-test



Purdue University Global

HS345 Biostatistics




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Unit 5 Assignment: Running a T-

test Statistical Software Used for the T-test Analysis: Microsoft

Excel Null Hypothesis:

There will be no significant lowering of heart rate in individuals receiving the innovative drug.

Alternative Hypothesis:

There will be a significant lowering of heart rate in individuals receiving the innovative drug.

Set Significance Level (Alpha):

< 0.05

Group 1 (Placebo) Heart Rates:

81, 81, 82, 85, 85, 87, 88, 89, 90, 90, 90, 90, 90, 90, 90, 91, 92, 95, 95, 95, 95, 95, 95, 95, 96, 96,

96, 97, 98, 99, 99, 100, 100, 100, 100, 102, 103, 104, 105

Group 2 (Innovative Drug) Heart Rates:

, 60, 75, 75, 80, 81, 84, 85, 85, 85, 85, 87, 87, 87, 87, 88, 88, 89, 90, 90, 90, 90, 91, 93, 95, 95, 96,

99, 100, 100, 100, 100, 101, 103, 104, 105, 105, 105, 108, 109

Observances: 39

Mean Heart Rate for Group 1 (Placebo): 93.62

Mean Heart Rate for Group 2 (Innovative Drug): 91.72

T-test using one tail and two-sample unequal variance: 0.16

T-test using two tails and two-sample unequal variance: 0.33

Variance Group 1 (Placebo): 38.87

Variance Group 2 (Innovative Drug): 105.79

Degrees of Freedom (df): 63

T-Stat: 0.99