Question
A town official claims that the average vehicle in their area sells for more than the 40thpercentile of your data set. Using the data, you
A town official claims that the average vehicle in their area sells formore thanthe 40thpercentile of your data set. Using the data, you obtained in week 1, as well as the summary statistics you found for the original data set (excluding the super car outlier), run a hypothesis test to determine if the claim can be supported.Make sure you state all the important values, so your fellow classmates can use them to run a hypothesis test as well.Use the descriptive statistics you found during Week 2 NOT the new SD you found during Week 4.Because again, we are using the original 10 sample data set NOT a new smaller sample size.Use alpha = .05 to test your claim.
(Note: You will want to use the function =PERCENTILE.INCin Excel to find the 40thpercentile of your data set.Hopefully this Excel function looks familiar to you from Week 2.)
First determine if you are using azort-test and explain why. Then conduct a four-step hypothesis test including a sentence at the end justifying the support or lack of support for the claim and why you made that choice.
STATS:
Dodge Ram $12,759
Cheverolet 43,203
Dodge Ram 8,523
Cheverolet 50,239
Cheverolet 56,782
Toyota 34,540
Cheverolet 22,487
Jeep 10,000
Cheverolet 5,000
Jeep 15,000
DESCRIPTIVE STATS:
Mean 25853.3
Standard Error 5976.65
Median 18743.5
Standard Deviation 18899.83
Sample Variance 3.57E+08
Kurtosis -1.3444
Skewness 0.579038
Range 51782
Minimum 5000
Maximum 56782
Sum 258533
Count 10
Confidence Level(95.0%) 13520.12
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