Making decision using significance level
Course:- Basic Statistics
Reference No.:- EM13148997

Assignment Help
Assignment Help >> Basic Statistics

There are two Chevrolet dealers in Jamestown, New York. The mean monthly sales at Sharkey Chevy and Dave White Chevrolet are about the same. However, Tom Sharkey, the owner of Sharkey Chevy, believes his sales are more consistent. Below is the number of new cars sold at Sharkey in the last seven months and for the last eight months at Dave White. Do you agree with Mr. Sharkey? Use the .01 significance level."

Sharkey 98 78 54 57 68 64 70
Dave White 75 81 81 30 82 46 58 101

Put your comment

Ask Question & Get Answers from Experts
Browse some more (Basic Statistics) Materials
The average highway travel time from Waterloo to Toronto on accident free days (i.e., only regular volume of traffic) is around 90 minutes with a standard deviation of 10 mi
Use the normal distribution of women's total cholesterol levels in Exercise 9 for which the mean is 186 milligrams per deciliter and the standard deviation is 37.2 milligrams
Apply the inverse transformation method as indicated below to generate three random observations from the uniform distribution between -10 and 40 by using the following unif
A scientist believes that a population mean is exceeding to 250. He decides to take a random sample of 100 measurements. The sample comes out to be 259 and Standard Deviation
Rob works in quality at a well known saw blade company. An inspector on his team has uncovered an issue with the kerf dimension on the bandsaw blade line. Rob conducts a sam
A pediatrician is interested in studying the effect of Motrin on reducing temperature in young children. Four children with influenza have their temperatures taken immediate
Trophies are awarded to the two persons receiving the highest and second-highest number of votes. In how many different ways can the trophies be awarded?
At the .01 significance level, is there a difference in the mean number of times men and Women order take-out dinners in a month? What is the  p -value?