1.  The following does NOT hold true for t distribution?

1. Confidence interval will be wider than for large samples.
2. Region of acceptance will be wider than for large samples.
3. Larger computed t value will be needed to reject the null hypothesis than for large samples using z.
4. There is only one t distribution.
5. None of the above

2.  Assume a one-tailed t-test is being applied to find if the population mean is less than $212. The level of significance chosen is 0.01 and 26 accounts are sampled. Find out the critical value?

1. -2.580
2. -2.485
3. -1.960
4. -2.479
5. None of the above