redlou
可以用来做考试的题目 不错的
1. Which of the following are true for a confidence interval?
a. The level of confidence is chosen by the person calculating the confidence interval.
b. A 99% confidence level indicates the data was collected very carefully.
c. A confidence interval always contains the true parameter.
d. Increasing the size of our sample will widen the confidence level.
2. Which of these statements are True and which are False?
a. If the p-value is small, then either the null hypothesis is false, or an unlikely event has occurred..
b. If the p-value is small, then the sample statistic is a poor estimate of the population parameter.
c. A p-value of 0.999 says that the null hypothesis is consistent with the data.
d. When the p-value is 0.5, there is a 50-50 chance that the alternative hypothesis is true.