Question: Obtain data for a single (university) qualitative variable relating to your work or business interests on the Internet, in a newspaper, or in a magazine, together with a list of reference percentages for comparison.
a. Summarize these observations in a table of counts.
b. Summarize these observations in a table of percentages.
c. Compare the percentages for the data to your reference percentages and comment on the similarities and differences.
d. Find the table of expected counts, assuming that your reference percentages are correct for the population.
e. List the [(Observed Expected)2 /Expected] values for each category. Find the largest and smallest values in this list, and explain why these particular categories are smallest and largest by comparing the observed and expected percentages for these categories.
f. Find the chi-squared statistic.
g. Perform the chi-squared test and find the p-value (reported as p > 0.05, p < 0.05, P < 0.01 or p < 0.001)
h. Comment on what the chi-squared test has told you about this business situation.