statistic
Berline90
ConfidenceIntervalCalculators.xlsxOne-Population
| One Population Statistics | Hypothesis test calculator | |||||
| Sample Statistic | x-mean | 15 | enter | enter | 15 | Hypothetical Value |
| Sample Size | n | 150 | enter | |||
| Sample Standard Deviation | 2 | enter | 0 | Difference between sample value and Hypothetical value | ||
| Standard Error of Statistic | SE | 0.1633 | 0.0000 | z-score | ||
| 50% | p-value lower (Probability the mean is more than Hypothetical Value) | |||||
| z-score | CL | 50% | p-value upper (Probaility the mean is less than Hypothetical value) | |||
| 1.645 | 90% | 1.0000 | Two-tailed test p-value | |||
| 1.96 | 95% | |||||
| 2.576 | 99% | |||||
| Confidence Intervals using z-scores | ||||||
| CL | 90% | upper | 15.27 | |||
| z | 1.645 | lower | 14.73 | |||
| CL | 95% | upper | 15.32 | |||
| z | 1.96 | lower | 14.68 | |||
| CL | 99% | upper | 15.42 | |||
| z | 2.576 | lower | 14.58 |
Only enter data in the dark-colored cells; the remaining cells are locked and calculate automatically. If you delete a formula, reload the calculator from your classroom, or a clean saved file.
Two-Populations
| Two Population (mean) Statistics | |||||
| First Sample | Mean 1 | 50 | enter first sample mean | ||
| First Sample | Size 1 | 40 | enter first sample size | ||
| Second Sample | Mean 2 | 51 | enter second sample mean | 51 | Hypothetical difference between the two samples (usually zero) |
| Second Sample | Size 2 | 50 | enter second sample size | ||
| Difference | Mean Diff | -1 | -52 | Difference between sample value and Hypothetical value | |
| Sample Standard Deviation 1 | Stdev. 1 | 1.2 | enter first standard deviation | ||
| Sample Standard Deviation 2 | Stdev. 2 | 1.8 | enter second standard deviation | -163.7846 | z-score |
| 0.0000 | Probability the samples are different | ||||
| Standard Error of Statistic | SE | 0.3174901573 | 1.0000 | Probability the samples are the same | |
| 0.0000 | Probability the samples are different, using two-tails | ||||
| C I of Difference using z-scores | |||||
| CL | 90% | upper | -0.478 | ||
| z | 1.645 | lower | -1.522 | ||
| CL | 95% | upper | -0.378 | ||
| z | 1.96 | lower | -1.622 | ||
| CL | 99% | upper | -0.182 | ||
| z | 2.576 | lower | -1.818 |
Only enter data in the dark-colored cells; the remaining cells are locked and calculate automatically. If you delete a formula, reload the calculator from your classroom, or a clean saved file.
