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A researcher determines that χ2= 3.76 to test for significance for a phi correlation coefficient. What was the decision for this phi correlation test? Do I reject or retain the null hypothesis?
A teacher gives a pre and post test to her students, she wants to know if there is a difference in the number of points students earned on their pretest and post test.
Write a function called flipNth, that will flip every Nth entry of the input vector (make the entry 0 if it is 1 and make it 1 if it is 0) and return the modified vector. The function declaration line should be function [outVec] = flipNth(inVec, N)
7% chance of making $40,000; a 20% chance of making $10,000; and 70% chance of making $0. How much should you be willing to pay for this deal?
In a simple linear regression, the least squares regression line is (a) the line which makes the sample correlation as close to +1 or -1 as possible. (b) the line which best splits the data in half, with half of the data points lying above the reg..
The values of these variables are (0, 0) for high technology industry, (0, 1) for biotechnology companies, and (1, 0) for aerospace ?rms. Following is part of the computer output for this analysis. Interpret the out- put, and give a complete analy..
A random sample of 100 entering freshmen is selected. What is the distribution of the mean composite ACT score, for the University?
Is the slope coefficient in the linear regression model between temperature and fuel consumption statistically significant at alpha=.05 and 0.01? How do you know? Show your test.
State three ways that nonparametric tests differ from parametric tests. A chi-square test is used when we measure data on what scale of measurement?
late payment of medical claims can add to the cost of health care. an article reported that for one insurance
Medication, 47% take cholesterol-lowering medication, and 12% take both medications. What is the probability that a senior citizen takes either blood pressure-lowering or cholesterol-lowering medication?
If there are 10 colleges he is? considering, how many different ways could he fill out the score report? form?
Normal 0 false false false EN-US X-NONE X-NONE describe real-life situation..
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