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Logistic RegressionA researcher is analyzing a dataset to determine whether the independent variables predict students' reading level. The dependent variable is reading level (1=good reader, 0=poor reader). The four independent variables are age, SES (1=upper, 2=middle, 3=lower), teaching approach (1=computer, 2=traditional), and amount of reading (scaled data from 1-10).*Please refer to SPSS Commands and the Logistic Regression Example.Your task:1.Test the assumption of collinearity.2.Analyze the data using logistic regression analysis. Your analysis should include discussion and interpretation of the following: comparison of crude vs. adjusted odds ratios (and corresponding 95% CI), log likelihood, R Square, Wald test and p-values, logistic regression equation, goodness-of-fit tests, and predictive accuracy of the model. Include summary tables.Required minimum-1 page
(a) At the 5 percent level of significance, does this sample prove a violation of the guideline that the average patient should pay no more than $250 out-of-pocket? State your hypotheses and decision rule. (b) Is this a close decision?
Hypertensive experimental (n=100) is 14%, placebo (n=100) is 22%. Generate a 95% Confidence interval for difference in proportions of patients with hypertension between groups.
Calculate the suitable mean response time from both proposed locations and find out which proposed site must be selected for the new emergency facility.
Indicate which would be the independent variable and which would be the dependent variable in each of the following:
By how much does the standard error of x-bar change if the sample is increased to 100?
How does this probability compare to the probability that the word will be received correctly if we didn't use check bits, in which case all 4 bits would have to be received correctly for the word to be correct?
Fitting of simple linear regression equation - Given the student population for a school district over the past few years, find the prediction equation for this data.
Let x be a random variable that represents the commute time of teachers in a large urban area. If x is normally distributed with a mean of 46 minutes and a standard deviation of 5 minutes, find the commute time which is at the top of the bottom 25..
Company wishes to exceed on-time rate of competitors at new hub. Hundreds of flights arrive at location daily. Determine the main advantages and disadvantages of employing sampling in application?
A street performer approaches you to make a bet. He shows you three cards: one that is blue on both sides, one that is orange on both sides, and one that is blue on one side and orange on the other.
Carry out the ANOVA and, if essential, post-hoc comparisons. Make a graph to represent group differences, and interpret ANOVA in a paragraph written in APA style.
Smith Software Inc. is a computer software firm that has grown in size in recent years. To assist in its planning for future growth, you are to determine the trend of the number of accounts based upon the below.
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