mputer purchases: Out of 809 large purchases made at a computer retailer, 349 wer mputers. As a part of an audit, one purchase record is sampled at random. Round the a Part: 0 / 2

A company conducted a survey to determine the average age of its employees. The ages of 10 randomly selected employees are as follows: 25, 28, 30, 35, 40, 42, 45, 48, 50, and 55. Calculate the sample mean, sample variance, and standard deviation of the ages.

In each part, give the value of the standardized statistic (z-score) for the sample mean. 100, σ = 8, n = 4 (a) x = 88, μ = Z = (b) x = 88, μ = 100, σ = 8, n = 64 Z = (c) x = 10.63, μ = 10.0, σ = 7, n = 10,000 z =

Arandom sample of 15 individuals representing three different types of music has been observed for the frequency with which they listen to that music over the month. Fill in the ANOVA table. Be sure to round to the second decimal.