Overview
PROBLEM STATEMENT 1
A sociologist conducting a study of the relation between income and generosity observed the amount of money given to a panhandler and the wealth of the person being asked for a donation, which was measured by a rating of the clothing worn. Results for the first four people observed were as follows:
Wealth of Giver Dollar Given 4 0 6 1 8 3 2 0
a. Make a scatter diagram of the raw scores by inserting the SPSS Output. b. What is the correlation coefficient by inserting the SPSS Output. c. Discuss if there is a strong relation between the two variables. d. Were the result statistically significant? Please insert the SPSS Output. e. Explain the logic of what you have done to a person who is not familiar with Pearson’s Correlation.
PROBLEM STATEMENT 2 A psychologist interested in sensation and perception compared the absolute olfactory thresholds of gourmet chefs, workers in a garlic processing plant, and office clerks. (“Olfactory” refers to the sense of smell and “absolute threshold” refers to the minimum stimulation a sense can detect.) Here are the results: Detection Levels of Vanilla
Chefs Processors Clerks 1.6 2.4 2.1 1.5. 2.1 2.0 1.8 2.5 1.7 2.1 2.0 2.3 1.9 2.2 1.9
Using the .05 significance level.
a. What is the null and research hypothesis?
b. What are the results? Please insert the SPSS Output.
c. What is the degrees of freedom?
d. What are your findings? Explain the logic of what you have done to a person who is not familiar with this test.