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Compute the test statistic (chi-square) and round to the fourth decimal place. The null hypothesis is to be tested at 95% confidence. Determine the critical value for this test. What do you conclude?

Compute the test statistic (chi-square) and round to the fourth decimal place. The null hypothesis is to be tested at 95% confidence. Determine the critical value for this test. What do you conclude?

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question 3c needed

Question 3a Shoppers were asked where they do their regular grocery shopping. The table below shows the responses of the sampled shoppers. We are interested in determining if the proportions of females in the two categories are different from each other. Grocery Chain Discount Store Male 150 80 60 Female 30 a) State the null and alternative hypotheses to be tested.
Transcribed Image Text:Question 3a Shoppers were asked where they do their regular grocery shopping. The table below shows the responses of the sampled shoppers. We are interested in determining if the proportions of females in the two categories are different from each other. Grocery Chain Discount Store Male 150 80 60 Female 30 a) State the null and alternative hypotheses to be tested.
Question 3c Compute the test statistic (chi-square) and round to the fourth decimal place. The null hypothesis is to be tested at 95% confidence. Determine the critical value for this test. What do you conclude? For the
Transcribed Image Text:Question 3c Compute the test statistic (chi-square) and round to the fourth decimal place. The null hypothesis is to be tested at 95% confidence. Determine the critical value for this test. What do you conclude? For the
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