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Calculate the difference scores and find MD for the following data from a repeated-measures study.
Subject: A, B. C, DTreatment 1: 34, 41, 30, 21Treatment 2: 44, 39, 45, 30
Next Problem:The data below are from an independent-measures experiment comparing three different treatment conditions.Treat 1 Treat 2 Treat 30 1 40 4 3 G=240 1 62 1 3 Sum X2=92T=2 T=6 T=16SS=3 SS=9 SS=6
A class has 13 women and 18 men. If student if selected randomly, determine the probability student is a woman?
A random variable X that has pmf given by p(x) = 1/ (n+1) over the range Rx = {0,1,2,...,n} is said to have a discrete uniform distribution. Find the mean and variance of this distribution.
Smith bicycled 45 miles going east from Durango, and Jones bicycled 70 miles. Jones averaged 5 miles per hour more than Smith, and his trip took one-half hour longer than Smith's. How fast was each one traveling?
The following is based on the normal distribution of scores with mean equal to 90 and standard deviation equal to 3.5. Determine the probability of a score falling between a raw score of 84 and 96?
Fitting of multiple linear regression equation - Give a list of the model assumptions for a regression model.
Suppose that an IQ test was given to a large group of persons, the scores are assumed to be from a normally distributed population, that mean = 100 and s (standard deviation) = 15.
In our discussions of basic probability theory the concepts of mutually exclusive events and independent events share prominent roles.
Suppose that a car rental agency offers insurance for a week that will cost $10 per day. A minor fender bender will cost $1,200 while a major accident might cost 10,000.
How does a t test differ from a z test in terms of when it is used, how it is calculated, and how we determine significance?
Let A be the event that a student is enrolled in an accounting course, and let S be the event that a student is enrolled in a statistics course.
The national median sales price for new single-family homes is $230,000 (The Associated Press, March 25, 2006). Assume that the following data were obtained for sales of existing single-family homes in Houston and Boston.
A state lottery involves the random selection of six different numbers between 1 and 28. If you select one six number combination, what is the probability that it will be the winning combination?
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