Exercises Chi-Square test (Lesson 40 Exercise File 1.sav )

1. Weigh the data file by the number of cases to conduct the analysis
2. Conduct a one-sample chi square test to evaluate whether cooking methods affects taste. Rom the out, identify the following

1. Observed frequency for potato chips fried in canola oil.
2. P value
3. X ² Value

3. What are the expected frequencies for the three categories of potato chips

4. Write a result section based on your analysis

Exercises 1–4 on p. 382, Nonparametric procedures (Lesson 42 EX file 1 Attached.)

1. Compute a Mann-Whitney U test on these data. From the output, identify the following

1. P value
2. Z value corrected ties
3. Mean rank for normal weight individuals

2. Conduct an independent-sample t test compare the p value for the Mann Whitney U test with the p value for the independent-samples t test.

3. Write a Results section based on your analyses. What should you conclude?

4. If you did not include a graph in your Results section, create a graph that shows the distributions of the two groups

Exercises 1–5 on p. 393, Nonparametric procedures (Lesson 43 Ex file 1 attached)

1. Conduct a Kruskal-Wallis test to investigate the relationship between hair color and social extroversion. Should you conduct a follow up test?
2. Compute an effect size for the overall effect of hair color and extroversion.
3. Create a boxplot to display the difference among the three groups distributions
4. Conduct a one-way ANOVA on these data how dot he results for the ANOVA compare to the results of the Kruskal-Wallis Test?
5. Write a results section based on your analyses

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