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1. Under what conditions should you use the Chi-Square Test to determine whether there is a difference between proportions of two independent populations?
2. Under what conditions should you use the Chi-Square Test to determine whether there is a difference between the proportions of more than two independent populations?
3. Under what conditions should you use the Chi-Square Test of Independence?
4. Under what conditions should you use the McNemar test?
5. What is a nonparametric procedure? Describe specifically when you would utilize a nonparametric test.
6. Under what conditions should you use the Wilcoxon sum rank test?
7. Under what conditions should you use the Kruskal-Wallis rank test?
Develop the opportunitiy loss table and compute the expected opportunity loss for each product. Determine how much the firm would be willing to pay to a market research firm to gain better information about future market conditions.
Which of the following(s) can be considered (a) variable(s)?
If np ≥ 5 and nq ≥ 5, estimate P (more than 5) with n=14 and p=0.3 by using the normal distribution as an approximation to the binomial distribution; if np
What is the expected number of customers that will have to wait more than 6 hours?
An occupational health study was carried out to evaluate the health status of workers. The response is forced expiratory volume (FEV), a measure of respiratory function
At.01 significance level, can we conclude that 30-year mortgage rate for small banks is less than 6%? Evaluate the p-value.
Pepsi wanted to test to determine if the males preferred Pepsi more than the females. (a) PConduct the appropriate test and describe the results (ick your own alpha value)
Construct a 95% confidence interval for the difference in the proportions of women and men who have regular exercise programs.
Make for more scatter plots comparing GDP growth 1970-2000 to corruption, political rights, rule of law, and socio-political instability
Revenue of Large Businesses A researcher estimates that the average revenue of the largest businesses in the United States is greater than $24 billion.
A box contains ten fuses of which 3 are defective. Two fuses are selected at random from the box without replacement. What is the probability that exactly one of the fuses selected is defective?
The McNemar test is a test on a 2x2 classification table when you want to test the difference between paired proportions. Chi-square test for 2X2 tables compares the tallies or counts of categorical responses between two (or more) independent grou..
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