True or False: Given a sample mean of 2.1 and a sample standard deviation of 0.7 from a
sample of 10 data points, a 90% confidence interval will have a width of 2.36.

Question

Quizplus · Accepted Answer

The width of a confidence interval is calculated using the formula: CI width = 2 * (t-value * (s/√n)), where s is the sample standard deviation, n is the sample size, and the t-value is based on the confidence level and degrees of freedom. The given width of 2.36 does not match the calculation for a 90% confidence interval with the provided data.

True or False: Given a Sample Mean of 2