An investigator is interested in whether the number of dresses tried on in a department store for a wedding will be affected by viewing a fashion magazine. A sample of 5 women was measured on how many dresses each tried on before and after viewing a fashion magazine. The before-and-after scores are as follows:
Subject Before After
1 6 2
2 5 7
3 9 6
4 1 3
5 8 5
7. Please run the appropriate SPSS analysis and cut and paste your results here:
8. Based on your SPSS results, please answer the following questions:
(a) What decision did you make? Reject or fail to reject the null? __________________
(b) Please write your “statistical statement”: ________________________________
(c) Please interpret the results of your analysis “in words” and relating DIRECTLY back to the research question.
__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
(d) Is there a probability of Type I error? Yes ________ No______
(e) Is there a probability of Type II error? Yes_______ No______
An investigator is interested in whether the number of dresses tried on in a department store...
An investigator is interested in whether the number of dresses tried on in a department store for a wedding will be affected by viewing a fashion magazine. A sample of 5 women was measured on how many dresses each tried on before and after viewing a fashion magazine. The before-and-after scores are as follows: Subject Before After 1 6 2 2 5 7 3 9 6 4 1 3 5 8 5 5. What is the name of the research...
In this study, participants were randomly assigned to one of two groups – to watch either a NEUTRAL or EMOTIONAL movie clip. After watching for an hour, participants were asked to rate work place satisfaction using an inventory that ranges from 0 – 10 (with higher indicating higher satisfaction). Assume data meets all assumptions for a parametric test. Using the information provided, create an SPSS data file and conduct the appropriate statistical test to determine whether there is a statistically...
Comparing two means: When drink drove a student to statistics (Rubric included) Instructions For this assignment, you review this week’s Learning Resources and then perform a two-sample independent t test and an ANOVA related to the dataset that was utilized in the week 2 SPSS application assignment. Import the data into SPSS; or, if you correctly saved the data file in Week 2, you may open and use that saved file to complete this assignment. Type your answers to all...
Problem Set 1: Linear Regression Analysis Research Scenario: A community psychologist is interested in whether people’s self-reported degree of religious belief predicts their self-reported feelings of well-being. She administers two questionnaires to 17 individuals, one of which measures degree of religious beliefs (scores range from 1-20 with higher scores indicating higher degree of belief), and another which measures feelings of well-being (scores range from 1-25 with higher scores indicating stronger feelings of well-being). The psychologist compiles the information listed in...
A psychologist is interested in testing whether there is a difference in the distribution of personality types for business majors and social science majors. The results of the study are shown below. Personality Frequencies for Business and Social Science Majors Open Conscientious Extrovert Agreeable Neurotic Business 98 45 SO 50 27 Social Science 92 75 87 10 What can be concluded at the a-0.05 significance level? a. What is the correct statistical test to use? Independence Paired t-test Goodness-of-Fit Homogeneity...
, A researcher hypothesizes that arousal levels will be affected by meditation. The sample participates in formal meditation classes for 3 weeks, before and after which arousal is measured. Subject BEFORE MEDITATION AFTER MEDITATION 1 72 91 2 162 155 3 145 152 4 183 190 5 123 134 6 167 157 7 76 99 8 112 104 9 124 143 10 137 156 l. What is the researcher’s hypothesis? ________________________________________________________________________ 2. What is the null hypothesis? ________________________________________________________________________ 3. What...
28 11. (10 points) Ten randomly selected families are tested for the number of gallons of water a day they use before and after viewing a conservation video. The results are shown below. Before 33 33 38 33 35 35 40 40 40 31 After 34 25 28 35 33 31 28 35 33 Assume that the paired differences are normally distributed. At the 1% significance level, do the data provide sufficient evidence to conclude that the mean amount of...
35 33 34 11. (10 points) Ten randomly selected families are tested for the number of gallons of water a day they use before and after viewing a conservation video. The results are shown below. Before 33 38 33 35 40 40 40 31 After 28 25 28 35 33 31 28 35 33 Assume that the paired differences are normally distributed. At the 1% significance level, do the data provide sufficient evidence to conclude that the mean amount of...
35 33 34 11. (10 points) Ten randomly selected families are tested for the number of gallons of water a day they use before and after viewing a conservation video. The results are shown below. Before 33 38 33 35 40 40 40 31 After 28 25 28 35 33 31 28 35 33 Assume that the paired differences are normally distributed. At the 1% significance level, do the data provide sufficient evidence to conclude that the mean amount of...
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91 40 117 921 A researcher is interested in determining whether the type of computer a person primarily uses and their major are dependent. The table below shows the results of a survey. Frequencies of Computer and Majors Science Business Humanities Google Chromebook 96 86 55 Apple Macbook Microsoft Surface Pro 102 27 What can be concluded at the a-0.05 significance level? a. What is the correct statistical test to use? O Paired t-test O...