Devrymath533 Study guides, Revision notes & Summaries

1. Question: The ages of a group of 50 women are approximately normally distributed with a mean of 47 years and a standard deviation of 6 years. One woman is randomly selected from the group, and her age is observed. 2. Question: Almost all companies utilize some type of year-end performance review for their employees. Human Resource (HR) at a university Health Science Center provides guidelines for supervisors rating their subordinates. For example, raters are advised to examine their ratings f...

1. Question: 1.1.13 Suppose you’re given a data set that classifies each of simple unit into one of four categories. A, B, C or D. you plan to create a computer database consisting of these data and you decide to code the data as A = 1, B = 2, C = 3, and D = 4. Are the data consisting of the classifications A, B, C, and D qualitative or quantitative? After the data are input 1, 2, 3, and 4 are they qualitative or quantitative? 2. Question: 1.1.21 A company tracked all credit card purchases dur...