Statistics for Research

Module 5 Form C

You will need your text (for tables) and SPSS. Save this test as a Word or rtf document and then respond right into the test, including any copying any SPSS output into the document. When you have finished the test, attach your results to an email and send it to me with subject line Module 5 yourname .

1. For a consumer of cereal, it is important that the product be consistent with respect to amount of cereal in a box. Here are the amounts of cereal contained in samples drawn from the production of two different manufacturers (M1 and M2). Do the data indicate any differences with respect to consistency in amount? Be sure to include a statement to be tested, describe the random variables involved and assumptions about them, level of significance, statistical hypotheses, test statistic, and the critical region. If you do this problem "by hand", show your work . If you ask SPSS to do it, include the SPSS output in your response and explain how you used it to answer the question.
   M1 M2
   24.99 26.50
   26.25 26.28
   26.74 26.76
   26.85 24.01
   27.31 26.33
   28.57 25.33
   27.91 26.41
   27.61 24.58
   29.10 25.48
   28.52 24.89
2. In order to determine the most effective of six different colors of soda on people’s taste, 60 people were randomly divided in to six groups and each group tasted one of the six colors of the soda. The soda was otherwise the same in every case. The people rated their taste reaction and the scores were recorded and the results analyzed. The ANOVA software produced the following output.
   SOURCE DF SS MS F
   Model ___ 831 ______ ______
   Error ___ 7114 ______
   Total ___
   State the hypotheses being tested in this ANOVA, fill in the table, and draw conclusions at the .05 level. Be sure to include a statement to be tested, describe the random variables involved and assumptions about them, level of significance, test statistic, and the critical region.
   Here are the results of a Duncan multiple range test:

   Color	N	Subset for alpha = .05
   		1
   4	10	94
   6	10	98
   1	10	101
   5	10	103
   3	10	104
   2	10	105

   
   What does this tell us about how color affects taste?
3. In order to determine the effects of alcohol on reaction time, 40 randomly selected adult male individuals were assigned to four treatment groups of ten subjects each. The first group was asked to consume the alcoholic equivalent of five beers in a two-hour period, the second group three beers, the third group one beer, and the fourth group no beer. Then, the participants were tested for reaction time by being asked to depress a button as soon as the light they were looking at was turned on. The average time over ten trials for each individual was recorded:

G1 G2 G3 G4

.31 .34 .37 .34

.29 .42 .48 .34

.29 .34 .37 .42

.23 .40 .38 .41

.31 .38 .40 .38

.23 .39 .49 .51

.24 .35 .36 .47

.35 .44 .35 .42

.37 .42 .51 .40

.30 .35 .35 .34

State the hypothesis being tested in this ANOVA, ask SPSS to analyze the data, including a Duncan post-hoc analysis, and draw conclusions at the .05 level. Be sure to include a statement to be tested, describe the random variables involved and assumptions about them, level of significance, test statistic, and the critical region. Include the SPSS output on your answer sheet.

Price: $18.02

Solution: The downloadable solution consists of 8 pages, 1002 words and 2 charts.
Deliverable: Word Document