One sample t test results |
|
P value and statistical significance: |
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| The two-tailed P value equals 0.00000022 |
| By conventional criteria, this difference is considered to be extremely statistically significant. |
Confidence interval: |
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| The hypothetical mean is 75.0000 |
| The actual mean is 63.0000 |
| The difference between these two values is −12.0000 |
The 95% confidence interval of this difference: |
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| From −14.3463 to −9.6537 |
Intermediate values used in calculations: |
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| t = −11.2570 |
| df = 11 |
| standard error of difference = 1.066 |