Create a side by side bar chart for this problem with income

Create a side by side bar chart for this problem with income on the x-axis to show the relationship between opinions about wealth re-distribution by income & show the calculation for the expected count for the cell for High Income/Should Redistribute cell

T 30. Wealth distribution The following table is based on a June 2011 Gallup Poll in which Americans were classified as high income (over $75,000), middle income ($30k-$75k), or low income (less than $30k). Those polled were asked for their views on redistributing U.S. wealth by heavily taxing the rich. The data are summarized in the table below. Should Redistribute Wealth Should Not No Opainion Should Redistribute Wealth Should Not No Opinion High Income 170 Middle Income 306 Low Income 362 Is there any evidence that income level is associated with feelings toward the wealth distribution in the United States? Test an appropriate hypothesis about this table, and state your conclusions. 371 13 29 82 Testanappropriatehypoatesinoutanaseadstateyour

Solution

H0: Opinion about wealth re-distribution by income is independent of income

Ha: Opinion depends upon income.

Two tailed chi square test

Prepare contingency table for chi square with observed and expected.

chi-square = 143.
degrees of freedom = 4
probability = 0.000

As p value < 0.05 (say alpha) reject null hypothesis.

Opinion depends upon income.