State your conclusion and find bounds on the p value

Assignment Help Basic Statistics
Reference no: EM131436500

Economics and Finance

The U.S. Internal Revenue Service estimates that the average taxpayer takes approximately six hours to complete Form 1040. A study was conducted to examine the amount of time it takes to complete this dreaded form, by income level. Independent random samples of federal filers in two income ranges were obtained, and the length of time (in hours) to complete Form 1040 was recorded for each. The summary statistics are given in the following table.

1037_Table 05.jpg

Assume the underlying populations are normal.

a. Conduct an F test to determine whether there is any evidence that the two population variances are different. Use a = 0.02.

b. Using your conclusion from part (a), conduct the appropriate test for evidence that the mean time to complete Form 1040 for the lower-income level is less than the mean time for the higher-income level. Use a = 0.05. State your conclusion and find bounds on the p value.

Reference no: EM131436500

Experimental study designed to test potency of drug on calve

An experimental study is designed to test the potency of a drug on 16 calves. Previous studies have shown that a 10-mg dose of the drug is lethal 7% of the time within the f

Predicting customer behavior

Seminole Gaming (www.theseminolecasinos.com) operates seven casinos in Florida on behalf of the Seminole Tribe. Two of the facilities are Hard Rock-branded hotel casinos. Th

Information about calculating confidence interval

In an effort to estimate the mean amount spent per household per month in a small Canadian town, data were collected for a sample of 50 households. The sample showed an aver

Mean-median and mode for sets of graph-histogram

Calculate the mean, median and mode for both sets and do  graph/histogram to chart the results and conclude if indeed one set of year had more the other as far a snowfall.

Stratified random sample using proportional allocation

Using the strata you constructed, draw a stratified random sample using proportional allocation. Explain how you calculated the sample size to be drawn from each stratum.

Assumptions for pearson correlation

Suppose that a researcher does a study to see how level of anxiety (A 1  = low, A 2  = medium, A 3  = high) is used to predict exam performance (Y).

What is the value of producer surplus in this market given

Given the above information, what is the equilibrium price and equilibrium quantity in this market. What is the value of consumer surplus in this market given the above inform

Which errors will be associated with sampling errors only

A questionnaire will be published and the first 1000 completed questionnaires will be analyzed. Which of the following errors will be associated with the sample? Sampling er

Reviews

Write a Review

 
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd