HLT 362V-Statistics Module 3 Exercises 31 And 32.

HLT 362V-Statistics Module 3 Exercises 31 And 32. Exercise 31 1. Do the example data meet the assumptions for the independent samples t -test? Provide a rationale for your answer. Yes, the data meet the assumptions for the independent samples t-test because the sample population is within standard distribution, there is equal variances between the two samples and the observations are independent. 2. If calculating by hand, draw the frequency distributions of the dependent variable, wages earned. What is the shape of the distribution? If using SPSS, what is the result of the ShapiroWilk test of normality for the dependent variable? The distribution shape is normal kurtosis and skewed slightly right or right-tailed. The Shapiro-Wilk test shows that the data is within standard distribution with a value of .194 because it is greater than 0.05. Tests of Normality This study source was downloaded by from CourseH on :59:05 GMT -05:00 Kolmogorov-Smirnova Shapiro-Wilk Statistic df Sig. Statistic df Sig. WeeklyWagesEarned .155 20 .200* .935 20 .194 *. This is a lower bound of the true significance. a. Lilliefors Significance Correction 3. What are the means for two group’s wages earned? The Treatment Group (0) = $232.70; Control Group (1) = $128.40 Group Statistics Group N Mean Std. Deviation Std. Error Mean WeeklyWagesEarned 0 10 $232.70 $65.325 $20.658 1 10 $128.40 $43.025 $13.606 4. What is the independent samples t -test value?