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In this SPSS assignment, use the tools learned in Gravetter and Wallnau (2013) Chapter 11 to describe a dependent-samples repeated measures t-test using the teachersurvey.sav SPSS data file. Imagine a researcher is interested in whether teachers' self-esteem differs at the beginning and at the end of the school year. Use the data file: teacher survey.save to conduct a dependent-samples repeated-measures t-test (referred to as a paired-samples t-test in SPSS). In this data- set self-esteem was measured at the beginning of the school year (Score One) and at the end of the school year (Score Two) (i.e. repeated- measures with the same group). These are the variables to be used in this analysis.
Suppose that you are told that this student has at least three years of work experience. What is the conditional probability that this student has at least for years of work experience.
In a survey to identify of risk factors for heart disease among men and women were asked about if they ever smoke. Of the 430 men, 116 said they smoke. Of the 380 women, 73 said they smoke. What is the proportion for smoker for men
laboratory animals were reared under three different conditions. the animals were randomly assigned to each group. the
Determine the point estimate of the population proportion, the margin of error for the following confidence interval and the number of individual in the same with the specified characteristics, x for the sample size provided.
If he were to randomly select 120 corks from the next box, then how many of these corks would John expect to be undersized?
Arbitarily sampling one man and one woman from this population, determine probability neither is a Tay-Sachs carrier? Compute the probability both are carriers?
Smooth the data set cars from Problem 1 using Cleveland's smoother. Choose a reasonable value for the span using trial and error. Why does this span appear to be a good choice?
(i) state the appropriate null and alternative hypotheses; (ii) determine the appropriate test statistic; (iii) determine the rejection region for a hypothesis test at the α = 0.05 signi?cance level; (iv) determine the associated p-value. (v) Wh..
What is the probability that a randomly selected monthly cell phone bill is more than $100?
A sample of 10 persons is used to measure the effectiveness of two massage techniques. The effectiveness of the techniques is measured by the number of days that pass by before the subjects feel the need for another massage session.
For question 3, use the FacultySalaries dataset, obtained from the Bulletin of the American Association of University Professors. The dataset contains the average male and female salaries (in thousands of dollars) of assistant professors from 22 di..
Choo Choo Paper Company makes various paper products. One of their products is a 30 mils thick paper. In order to ensure that the thickness of the paper meets the 30 mils specification
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