One Population Mean InferenceData Summary
Variable | Sample Size | Mean | Sample Std Dev |
Heart Beats | 15 | 75 | 5 |
Test of Hypothesis: t-Test
Heart Beats
Alternative Hypothesis Ha: Mean of 'Heart Beats' is greater than 72
5% upper critical value in units of data = 74.27384
Sample Mean | Std Error | Obs t Stat | DF | 5% t-Upper Critical | P-value |
75 | 1.29099 | 2.32379 | 14 | 1.76131 | 0.0178504 |
Test is significant at 5% level.
P-value Graph: t-Test
Null density (in units of data): Student t; mean = 72, scale = 1.291, df = 14
Alternative Hypothesis Ha: Mean of 'Heart Beats' is greater than 72
Test of Hypothesis: z-Test
Heart Beats
Alternative Hypothesis Ha: Mean of 'Heart Beats' is greater than 72
5% upper critical value in units of data = 74.1235
Sample Mean | Std Error | Obs z Stat | 5% z-Upper Critical | P-Value |
75 | 1.29099 | 2.32379 | 1.64485 | 0.0100684 |
Test is significant at 5% level.
P-value Graph: z-Test
Null density (in units of data): Normal; mean = 72 , sd = 1.291
Alternative Hypothesis Ha: Mean of 'Heart Beats' is greater than 72