6. In addition to the variables used in the Case Study, what other variables do

Question

6. In addition to the variables used in the Case Study, what other variables do you think are important to consider when studying the distribution of U.S. consumers’ attitudes about food safety?

STUDY CASE Food Safety Survey In your opinion, how safe is the food you buy? CBS News polled 1048 U.S. adults and asked them the following question: Overall, how confident are you that the food you buy is safe to eat. very confident, somewhat confident, not too confident, not at all confident? The pie chart shows the responses to the question. You conduct a survey using the same question. The contingency table shows the results of your survey classified by gender How Confident Are You That Gender the Food You Buy is Safe to Eat? Response Female Male Not at all confident 2% Very Very confident 96 160 confident Somewhat confident 232 180 32% Not too confident 56 Not too confident Not at all confident 12 14% Somewhat confident 52% EXERCISES 1. Assuming the variables gender and response In Exercises 4 and 5, perform a chi-square are independent, did the number of female goodness-o fit test to compare the distribution of respondents or male respondents exceed the responses shown in the pie chart with the distribution expected number of "very confident" responses of your survey results or each gender. Use the distribution shown in the pie chart as the expected 2. Assuming the variables gender and response distribution. Use a 0.05. are independent, did the number of female respondents or male respondents exceed the 4. Compare the distribution of responses by females expected number of "somewhat confident with the expected distribution. What can you responses? conclude? 3. At a 0.01, perform a chi-square independence 5. Compare the distribution of responses by males test to determine whether the variables response with the expected distribution. What can you and gender are independent. What can you conclude? conclude? 6. In addition to the variables used inthe Case Study, what other variables do you think are important to consider when studying the distribution of U.S. consumers' attitudes about food safety?

Explanation / Answer

Some other variables are:

Is anyone in your household allergic to any foods?

Are there any children under the age of six in your household?

Is there anyone in your household age 65 or over?

Dwelling location

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