Reference no: EM131052599
1. Researchers wanted to test out a new drug that was designed to reduce anxiety among those who suffer from social anxiety. They gave the first group a placebo, the second groupa low dose of the medication and the third group a high dose of the drug. Below are the results from the study.
Placebo Low dose High dose
3 5 7
2 2 4
1 4 5
1 2 3
4 3 6
A. State the null and research hypotheses.
B. Set the level of risk (or the level of significance) associated with the null hypothesis.
C. Select the appropriate test statistic. - What test statistic would you use to find the F value?
D. Compute the test statistic value.
a. Compute by hand as well as in SPSS. Be sure to provide your work as well as the SPSS output results.
b. If necessary, run a post-hoc analysis in SPSS (Bonferoni)
E. Determine the value needed for rejection of the null hypothesis using the appropriate table of critical values for the particular statistic.
F. Compare the obtained value and the critical value.
G. Make a decision. With this information would you conclude that the results are significant? Why or why not?
Report your findings the way we practiced in class.
|
How much money does the firm expect to collect in the month
: Dewey's expects sales of $530, $560, $740, and $790 for the months of April through July, respectively. The firm collects 23 percent of sales in the month of sale, 51 percent in the month following the month of sale, and 24 percent in the second mont..
|
|
What was the cash balance at the end of quarter
: Jupiter stores had a Quarter 2 beginning cash balance of $430. Sales for Quarters 1 through 3 are estimated at $600, $800, and $900, respectively. The cost of goods sold is equal to 70 percent of sales. Goods are purchased one quarter prior to the mo..
|
|
True regarding payment and the place for delivery
: Which of the following is true regarding payment and the place for delivery if those terms are left open under the UCC?
|
|
Bankruptcy protection during this recession
: A number of major retailers have been driven into bankruptcy protection during this recession, including Red Envelope and Eddie Bauer, or gone out of business altogether, like Circuit City. Blockbuster, Virgin Megastores, and many more have closed..
|
|
Compare the obtained value and the critical value
: Compare the obtained value and the critical value. Make a decision. With this information would you conclude that the results are significant? Why or why not? Report your findings the way we practiced in class.
|
|
Coca-cola project analysis
: Coca-Cola is considering jumping on the pomegranate bandwagon by producing Poma-Cola and Pomegranate Sprite carbonated beverages in 2016 (t=1). New production equipment and facilities costing $30 million will be required in 2015 (t =0) and fall into ..
|
|
Do you think the company can reduce costs
: In what other ways do you think Zappos can affordably enhance its customer service? Use credible sources and research to support and explain.
|
|
Write a method called alarm that prints the string alarm!
: The method should accept an integer parameter that specifies how many times the string is printed. Print an error message if the parameter is less than 1.
|
|
New business intelligence (bi) system
: Jim Honerkamp, CIO of Hillman Group, is proud of his new business intelligence (BI) system. Why not? It's much better than what came before. In the bad old days, executives looking for sales information, for example, had to ask one of Honerkamp's ..
|