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Need to do a 1 way anova for statistics marketing class . Looking at 3 different display locations in a store: on the shelf, aisle end cap, at entrance. Five stores in different areas where looked at. Each store will use each location for a period of 4 weeks and sales results for the quarter will be looked at to see which display had most sales. Need to determine the variables: independent and dependent; what hypothoses; was data significant; what groups differed and the 95% confidence interval, and interpretation of results.
A payoff table is given as State of Nature Decision d1 d2 d3 Low 10 14 7 Medium 8 15 8 High 6 2 9 The probabilities of s1, s2, and s3 are .2, .4, and .4, respectively. what are the expected values for each alternative? What decision should be made un..
Coral City has a beltway which circles the city.The City Council is concerned about the mean population speed of the cars on that beltway.Find the sample size if the City Council wants to estimate the mean speed within 1 mile per hour with 95%..
Test the Administration's claim
A furniture cabinet maker produces two types of cabinets that house and hide plasma televisions.
Let variable X represents the improvement in time for each assembly line worker. Let μ represents the average improvement in time for the population. Has the training improved the time required on the job? Please test the hypothesis use α=0.05 ..
A population proportion is to be estimated. Estimated the minimum sample size needed to achieve a margin of error E=0.01 with a 95% degree of confidence.
Descriptive statistics (5-number summary, mean, mode, range and standard deviation) for each of the four variables along with an explanation of what the descriptive statistics tell us about the motion picture industry.
Can the company rely on the fact that the strength of the chemical is identical from batch to batch and from barrel to barrel and what is the mean strength of the chemical in these stored barrels? How prccisc is that estimate?
A bank branch located in a residential area has developed an improved process for serving customers during noon to 1:00 P.M lunch period. The waiting time in minutes (defined as time the customer enters the line to time he or she reaches the teller w..
A graphic designer makes a presentation to clients and this results in sales of her services in 1/4 of the cases. Assuming the results for different clients are independent.
A foreign language course and a psychology course?
Copy all data into Excel and run the corresponding multiple regression. Write the estimated multiple regression equation use the variables defined above. (Hint: No need to conduct backwards elimination at this point.)
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