# Question 14 1 1 point a manufacturing company knows

• 11
• 100% (4) 4 out of 4 people found this document helpful

This preview shows page 7 - 10 out of 11 pages.

Yes, it can be concluded that pass/fail rates are dependent on school because the p- value = 0.0627. No, it cannot be concluded that pass/fail rates are dependent on school because the p- value = 0.9373. independent of, dependent on independent of; independent on dependent of, dependent on dependent of, independent on
Question 14 1 / 1 point A manufacturing company knows that their machines produce parts that are defective on occasion. They have 4 machines producing parts, and want to test if defective parts are dependent on the machine that produced it. They take a random sample of 321 parts and find the following results. Test at the 0.05 level of significance. Machine 1 Machine 2 Machine 3 Machine 4 Defective 10 15 16 9 Non-Defective 72 75 66 58 Can it be concluded that number of defective parts is dependent on machine?
5/26/2021 : Quiz Submissions - Week 8 Knowledge Check Homework Practice Questions - MATH302 B007 Spring 2021 - APEI
9/12
View Feedback Question 15 1 / 1 point You're running a χ 2 Independence Test to see if there is an association between age (Under 50/50+) and type of car owned (Sedan/SUV/Truck/Other). You find a χ 2 test statistic of 5.491. What is the p-value and conclusion?
View Feedback Question 16 1 / 1 point You are conducting a study of three types of feed supplements for cattle to test their effectiveness in producing weight gain among calves whose feed includes one of the supplements. You have four groups of 30 calves (one is a control group receiving the usual feed, but no supplement). You will conduct a one-way ANOVA after one year to see if there are difference in the mean weight for the four groups. What is k for this experiment?
5/26/2021 : Quiz Submissions - Week 8 Knowledge Check Homework Practice Questions - MATH302 B007 Spring 2021 - APEI 10/12 View Feedback Question 17 1 / 1 point The F Statistic from an experiment with k = 3 and n = 50 is 3.67. At α = 0.05, will you reject the null hypothesis? View Feedback Question 18 1 / 1 point A sport preference poll yielded the following data for men and women. Use a 5% significance level and test to determine if sport preference and gender are independent.