500 randomly selected automobile owners were questioned on the main reason they had purchased their current automobile. The results are given below. Styling Engineering Fuel Economy Total Male 70 130 150 350 Female 30 20 100 150 Total 100 150 250 500 a. State the null and alternative hypotheses for a contingency table test for independence of gender. b. State the decision rule, using a .10 level of significance. c. Calculate the χ2 test statistic for this data. d. Give your conclusion for this test
500 randomly selected automobile owners were questioned on the main reason they had purchased their current automobile. The results are given below.
Styling Engineering Fuel Economy Total
Male 70 130 150 350
Female 30 20 100 150
Total 100 150 250 500
a. State the null and alternative hypotheses for a
b. State the decision rule, using a .10 level of significance.
c. Calculate the χ2 test statistic for this data.
d. Give your conclusion for this test.
Trending now
This is a popular solution!
Step by step
Solved in 3 steps with 1 images
