Question

1. What are the critical values of for area in two tails when the sample size is 29 with confidence level of 98%?

2. Find the area to the left of critical

value = 2.500 when the sample size is 29. [Hint: One-tailed test]

Answer 1

a) $t_{crit}=-2.467, 2.467.$

b) $P(T<2.500)=0.9907.$