Hypothesis for population variances

Assignment Help Basic Statistics
Reference no: EM1314514

 

Sample A

Sample B

s2

32

38

n

24

16

We want to test the hypothesis that the population variances are equal.

The null hypothesis is to be tested at the 10% level of significance. The critical value from the table is:

A. 2.11

B. 2.13

C. 2.24

D. 2.29

Reference no: EM1314514

Questions Cloud

Questions based on basics of accounts : Multiple Choice questions based on basics of accounts and Communication of economic events is the part of the accounting process that involves
Making three sets to check set b & c is proper subset of a : Making three sets to check set B & C is proper subset of A.
Finding real gdp with the given data : Compute real GDP for 2004 and 2005 using 2004 prices. By what percent did real GDP grow? Compute the value of the price index for GDP for 2005 by using 2004 as the base year. By what percent did prices increase?
Determine the after-tax cost and debt issue : Determine the after-tax cost of a $25 million debt issue that a company with a 40 percent marginal tax rate is planning to place privately with a large insurance company.  This long-term issue will yield 6.6% to the insurance co.  Calculate and ex..
Hypothesis for population variances : We want to test the hypothesis that the population variances are equal.
Explain the term bond valuation : Explain the term Bond valuation and What is the annual interest payment on the second issue
Research results on macro economic : As an employee of World Bank you've been asked to research the needs of a country with a particular economic concern.
United business forms'' weighted average cost of capital : Recalculate United Business Forms' weighted average cost of capital. Which plan is optimal in terms of minimizing the weighted average cost of capital?
Explanation about inflation and policies : Mention and explain the two types of inflation. Which sort of inflation would most likely be associated with the negative GDP?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Density curve displayed

the maximum point total for the quarter was 200. The point totals for the 10 students are given in the stemplot below. For the density curve displayed below, which of the following is true?

  Inverse probability based on the normal distribution

What IQ score should one have in order to be eligible for Mensa?

  Evaluate the average earnings

If is the proportion of the next 100 shoppers that buy a packet of the crackers after tasting a free sample, then the probability that fewer than 30% buy a packet after tasting a free sample is approximately.

  Estimating the expected value for given distribution

Determine the cost Xs to develop the support system for which the probability of exceeding Xs is equal to 0.01?

  Example on sampling distribution

A study sponsored by American Express Co. and the French government tourist office found that old American stereotypes about French unfriendliness weren't true.

  Probability for simple random sample

What is the probability that a simple random sample of 40 male graduates will provide a sample mean within $10,000 of the population mean, $168,000 (to 4 decimals)?

  Confidence and estimated standard deviation

If the estimate is to be within 8 mpg of the true mean with 98% confidence and the estimated standard deviation is 22 mph, how large a sample size must be taken?

  Critical value by chi square distribution

The hypothesis is to be tested at the 5% level of significance. The critical value from the table equals:

  Inverse probability based on the uniform distribution

Assume that the smiling time of eight-week old babies, in seconds, follows a uniform distribution between 0 and 23 seconds, inclusive. This means that any smiling time from 0 to and including 23 seconds is equally likely.

  Perception of time

Based on the result, does there to be an overall perception of 1 minute that is reasonably accurate?

  Computation for straight -line regression

Illustrate by computation that, for straight -line regression of Y on x, β1= 0.

  Hypothesis test for two population proportions

Conduct the hypothesis test and compute the p-value. At a 0.05 level of significance, what is your conclusion?

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