A poll printed the results of a survey of 880Americans focusingon their perception of the quality of Japanese products. It hasbeen observed that the sentiment towards Japanese products hasactually improved over time. Is there sufficient evidence toconclude that American sentiment towards Japanese products changedfrom 1999 to 2005?
Opinion | 1999 | 2005 |
---|
Good to Excellent | 24% | 28% |
Average | 27% | 40% |
Below Average | 18% | 3% |
No Opinion | 31% | 29% |
Step 8 of 10 : Find the critical value of the test atthe 0.05 level of significance. Round your answer to three decimalplaces.
Step 9 of 10: Make the decision to reject or fail to reject thenull hypothesis at the 0.05 level of significance.
Step 10 of 10: State the conclusion of the hypothesis test atthe 0.05 level of significance.