Share
Explore BrainMass

Constructing Confidence Intervals for mean weight

Listed below are weights (in grams) from a sample of bats. Construct a 95% confidence interval estimate of their mean weight. Are the confidence interval limits very different from the limits of 1.56 and 1.87 that are found when assuming that σ is known to be 0.30g ?

1.7
1.6
1.5
2.0
2.3
1.6
1.6
1.8
1.5
1.7
2.2
1.4
1.6
1.6
1.6

Solution Summary

The solution constructs a confidence interval for weights of bats.

$2.19