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describe Chi square test for independence of attribute.
To conclude whether two categorical variables are independent, one should use the:
Statistics and Probability, Statistics
1. A producer specifies that the mean lifetime of a certain type of battery is at least 240 hours. A sample of 18 such batteries yielded the following data. 237 242 232 242 248 ...
Suppose that 3% of all adults suffer from diabetes and that 28% of all adults are obese. Suppose also that 2% of all adults both are obese and suffer from diabetes. (a) Find the probability that a randomly chosen adult i ...
Assume the sweatshirt test scores are normally distributed with a mean of 500 and a standard deviation of 100. (a) Consider all random samples of 100 test scores. What is the standard deviation of the sample means? (b) W ...
Roger reports: I ascribe probability 0.3 to "the Philadelphia Phillies will win the World Series next year, Chris ascribes probability 0.4 to their winning the World Series and to me ascribing probability 0.4 that they w ...
My variables are: 1. SAT scores between 600- 2400, 2. Gender, 3. Type of college attended, 1 for public university, 2 for private university, 4. Type of degree held: 1 for bachelors, 2 for masters, 3 for PHD or doctorate ...
1) One factor in determining the shelf life of a dry cereal is the moisture content. Since standard packaging techniques do not completely prevent cereal from absorbing moisture, the longer it stays on the shelf, the mo ...
The Borda and Condorcet Methods :- The following example was presented by Condorcet, in a critique of the Borda Method. A committee composed of 81 members is to choose a winner from among three candidates, A, B, and C. T ...
A professor of management has heard that twelve students in his class of 46 have landed an internship for the summer. Suppose he runs into two of his students in the corridor. a. Find the probability that neither of thes ...
In pre election , a candidate receives 330 out of 650 votes. Assuming that the people polled represents a random sample of voting population, test the claim that a majority of voters supports the candidate. Use a signifi ...
What is the difference between simple linear and multiple regressions? Give an example of a situation where linear regression might be useful? Give an example of a situation where multiple regression might be useful?
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SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless
Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl
DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac
Create a provider database and related reports and queries to capture contact information for potential PC component pro
Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen