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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
Do hotel managers on the average differ significantly in femininity score from men in general? Assume that the standard deviation of scores in the population of all male hotel managers is the same.
A sample of 19 albino Hungarian banded aardvarks was examined for nose length. Since this is a small sample, how various degrees of freedom will be used to find the t-score.
Find the equation of the least squares regression line that models the relationship between square footage and rental amount and interpret the meaning of the coefficients.
In regression equation, the value of y-intercept indicates the value of Y when the value of X is zero.
Construct a 95% confidence interval for the proportion of all those who experience some type of discomfort.
Death would be expected based on statewide mortality rates. Is the number of deaths from COPD in this group excessive?
It is suspected that the mean turnover has changed and is not 6.0. Use the .05 significance level. State the null hypothesis and the alternate hypothesis.
Average performance evaluation is higher for managers hired from outside firm compared with those promoted from within? What other stories does this graph tell?
For someone who makes random guesses for all of the answers, find the probability of passing if the minimum passing grade is 40 %.
Give a real world example of a situation where normal parametric tests would not be useful and where there is a need for nonparametric test methods. Be specific and explain why nonparametric tests are needed in that case.
For a normal probability distribution, about 95 percent of the area under normal curve is within plus and minus two standard deviations of the mean and practically all (99.73 percent) of the area.
You may use the manual method of calculation, or show how MegaStat (or other software) is used to analyze the data. Be sure to discuss the interpretation of results.
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