7 Squirrels Were Found to Have an Average Weight of 8.7

Multiple Choice

7 squirrels were found to have an average weight of 8.7 ounces with a sample standard deviation is 1.1. Find the 95% confidence interval of the true mean weight.

A) $6.0 < \mu < 11.4$
B) $7.7 < \mu < 9.7$
C) $8.3 < \mu < 9.1$
D) $7.9 < \mu < 9.5$