Refer to Data Set 20 in Appendix B and find the sample proportion of M&Ms that are green. Use that result to test the claim of Mars, Inc., that 16% of its plain M&M candies are green.
Answer to relevant QuestionsConsider a flight to be on time if it arrives no later than 15 minutes after the scheduled arrival time. Refer to Data Set 15 in Appendix B, and use the sample data to test the claim made by CNN that 79.5% of flights are on ...Exercise 2 refers to a t test. What is a t test? Why are the t test methods of Part 1 in this section so much more likely to be used than the z test methods in Part 2? Data Set 3 in Appendix B includes a sample of 106 body temperatures with a mean of 98.20°F and a standard deviation of 0.62°F. Use a 0.05 significance level to test the claim that the mean body temperature of the ...Listed below are brain volumes (cm3) of unrelated subjects used in a study. Use a 0.01 significance level to test the claim that the population of brain volumes has a mean equal to 1100.0 cm3. 963 1027 1272 1079 1070 1173 ...Repeat Exercise 11 assuming that the population standard deviation s is known to be 11.1 years. Conduct the hypothesis test using a known value of the population standard deviation σ.
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