Suppose you calculate a 95 confidence interval for the mean
Suppose you calculate a 95% confidence interval for the mean salary of accountants one year after obtaining their MBAs to be $64,000 to $89,000 per year. Which of the following statements is the correct interpretation of this interval? Read carefully!
There is a 95% chance that this particular interval, $64,000 to $89,000 per year, contains the true mean salary of accountants one year after obtaining their MBAs.
We are 95% confident, based on the method used to construct the interval, that the true mean salary of accountants one year after obtaining their MBAs is between $64,000 and $89,000 per year.
95% of all accountants in the population one year after obtaining their MBAs earn between $64,000 to $89,000 per year, based on the method used to construct the interval.
We are 95% confident, based on the method used to construct the interval, that any given accountant one year after obtaining an MBA will earn between $64,000 and $89,000 per year.
We are confident that 95% of the accountants in our sample earned between $64,000 and $89,000 per year.
| There is a 95% chance that this particular interval, $64,000 to $89,000 per year, contains the true mean salary of accountants one year after obtaining their MBAs. | ||
| We are 95% confident, based on the method used to construct the interval, that the true mean salary of accountants one year after obtaining their MBAs is between $64,000 and $89,000 per year. | ||
| 95% of all accountants in the population one year after obtaining their MBAs earn between $64,000 to $89,000 per year, based on the method used to construct the interval. | ||
| We are 95% confident, based on the method used to construct the interval, that any given accountant one year after obtaining an MBA will earn between $64,000 and $89,000 per year. | ||
| We are confident that 95% of the accountants in our sample earned between $64,000 and $89,000 per year. |
Solution
We are 95% confident, based on the method used to construct the interval, that the true mean salary of accountants one year after obtaining their MBAs is between $64,000 and $89,000 per year.
| We are 95% confident, based on the method used to construct the interval, that the true mean salary of accountants one year after obtaining their MBAs is between $64,000 and $89,000 per year. |
