In a Sample of 23, the Mean Is Confidence Interval

Multiple Choice

In a sample of 23, the mean is confidence interval for the population mean. The t Table = 1.717.

A) 90% confidence interval is 90.88± 95.90.
B) 90% confidence interval is 2.51.
C) 90% confidence interval is between 90.71 and 96.07.
D) 90% confidence interval is 90.88± 1.72.