1. Using Excel, find the z-score that corresponds to the following Confidence Levels:
a. 80%
b. 85%
c. 92%
d. 97%
2. Using Excel, find the t-score that corresponds to the following Confidence Levels and Sample Sizes:
a. 95% with n = 25
b. 96% with n = 15
c. 97% with n = 21
d. 91% with n = 10
1 answer
.25