View canopy.uc.edu 0.1 points Save Answer Question 1 A study recorded the body m

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View canopy.uc.edu 0.1 points Save Answer Question 1 A study recorded the body mass index (BMID of a random sample of 200 American men and 200 American women. Individuals with a BMI above 30 are considered obese. To estimate the difference in the percent of individuals who are obese among American men and American women, you should use a two-sample z or t procedure for means. OB. one-sample or matched pairs z or t procedurofor a mean. OC two-sample z procedure for proportions. OD. one-sample z procedure for a proportion. 0.05 points Save Answer Question 2 A manufacturer of insecticides has developed two formulations for new insecticides using two different compounds, A and B. To compare the effectiveness of these two formulations a study was conducted in which insects of a particular type were released into an enclosure and the enclosure then sprayed with an insecticide. Using independent samples, the proportion of insects killed by each compound will be compared. Compound A is more expensive ut the manufacturer believes it is also more effective. What are the hypotheses the manufacturers will use? Ha: PA PB Ha: PA > Ps O D. Ho: PA-P8 Hai PA

Explanation / Answer

Question 1.

This is a two sample test of proportions. We use z test for this.

Therefore, Ans:c) two sample z test of proportions

Question 2 :

Since the claim of manufacturer is that compound A is more effective than compound B, this means Compound A kills more insects than B. So the Alternate hypothesis would be one sided .

Therefore, ans :B) Ho : pA = pB

Against H1 : pA > pB

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