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What is needed? Explain any flaws in each of the following proposed experiments and describe how you would improve the experiment.
(a) Two product promotion offers are to be compared. The first, which offers two items for $2, will be used in a store on Friday. The second, which offers three items for $3, will be used in the same store on Saturday.
(b) A study compares two marketing campaigns to encourage individuals to eat more fruits and vegetables. The first campaign is launched in Florida at the same time that the second campaign is launched in Minnesota.
(c) You want to evaluate the effectiveness of a new investment strategy. You try the strategy for one year and evaluate the performance of the strategy
A manager of a gasoline filling station is thinking about a promotion that she hopes will bring in more business to the full-service island. She is considering the option that when a customer requests a fill-up
The relative risk of contracting a certain coronary disease is 2.0 for male smokers compared to male nonsmokers and 3.0 for female smokers compared to female.
A random sample of 36 drinks from a soft drink machine has an average content 7.6 ounces with an standard deviation of 0.48 ounces. Test the hypothesis ounces against the alternative hypothesis at the 0.05 level of significance.
peak expiratory flow pef is a measure of a patientotildes ability to expel air from the lungs. patients with asthma or
Explain, to a person who has never had a course in statistics, what you have done. (c) Note the ways in which the means and standard deviations differ.
Assume a business researcherwishes to test hypothesis that greater proportion of marketing managers keep track of such obligations.
The following is sample information. Test the hypothesis at the .05 significance level that the treatment means are equal.
At a significance level of a = 0.05, what is the correct conclusion? There is enough evidence to conclude that the mean number of hours is more than 4.75.
Using div-terms, implement the procedure remainder-terms and use this to define gcd-terms as above. Now write a procedure gcd-poly that computes the polynomial GCD of two polys.
MGMT 650 Fall 2016 - What is an outlier and how does it affect the confidence interval and what decision should the director make about the books used for the courses if the goal is to keep the cost below $300?
Create a 95% confidence interval for the difference in the proportions of smokers in the two groups.- Is this evidence that the two groups in the study were different? Explain.
Each fall, auditions for the band and orchestra are held at a large university. Last fall, the numbers of males and females in each class who auditioned follow.
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