Significant difference between two sample variance

Assignment Help Basic Statistics
Reference no: EM1321640

To test whether the significant difference between two sample variance using F-tests.

For the samples summarized below, test the hypothesis at α =.05 that the two variances are equal.

 

Variance

Number of data values

Sample 1

30

9

Sample 2

10

19

a. Reject the hypothesis because the test value 9.00 is greater than the critical value 2.51.

b. Do not reject the hypothesis because the test value 9.00 is greater than the critical value 3.01.

c. Do not reject the hypothesis because the test value 3.00 is less than the critical value 3.01.

d. Reject the hypothesis because the test value 3.00 is greater than the critical value 2.51.

Reference no: EM1321640

Questions Cloud

Supermarket franchise with cardinal stores : Mr. Simmons owned and operated a bakery and sought to obtain a supermarket franchise with Cardinal Stores. Cardinal Stores assured Simmons that his $18,000 was sufficient and advised him to acquire and operate a small store to gain experience.
Fitting of simple linear regression : Fitting of simple linear regression
Maintaining the confidentiality, integrity : Create a list of at least 10 confidentiality, integrity, and availability requirements that must be met for this transaction to be secure (such as secrecy of the PIN, or possession of the card) be sure to list the level of importance of each requi..
Unlike the physical supply chain : Unlike the physical supply chain, inefficiencies characterize the financial supply chains of most companies.
Significant difference between two sample variance : To test whether the significant difference between two sample variance using F-tests.
Creating frequency distribution of sample mean : Create Frequency Distribution of Sample Mean. Compute and Identifies Sampling Distribution of Sample Mean.
Maximize his average grade elucidate which means : Illustrate what is the yrly breakeven point volume (D) also his objective is to maximize his average grade, elucidate which means.
Finance for exploratory resources : You are the vice president of finance for Exploratory Resources, headquartered in Houston, Texas. In January 2010, your firm's Canadian subsidiary obtained a 6 month loan of 100,000 Canadian dollars from a bank in Houston to finance the acquisitio..
Determine the alternative hypothesis : A random sample of seven cars was selected; the cars were driven for two weeks without the booster and two weeks with the booster.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Descriptive statistics for given data

Given 7 male individuals in a Physical Education course, the number of sit ups each individual can do in a one minute period was recorded:

  Probability and sample mean

What is the probability that the sample mean will be greater than M = 510. In symbols, what is p (M>510)?

  Estimated bootstrap standard error of the median

What is the approximate estimated bootstrap standard error of the median, What is the approximate bias of the median estimated from bootstrapping - What is the bootstrap t confidence interval for the median

  How to test the difference in two proportions

A test was conducted to find out whether gender of a spokesperson affected the likelihood that consumers would prefer a new product.  A survey of consumers at trade show employing a female spokesperson determined that 70 out of 150 customers prefe..

  Variation between two populations

The means appear to be very close, but not the variances. At  α   = .05, is there a difference in variances? Show all steps clearly, including an illustration of the decision rule.

  Determine probability of x occurrences in three time period

Consider a Poisson distribution with a mean of two occurrences per time period.

  Any significant difference among two proportions

To test is there any significant difference among two proportions. The Damon family owns a large grape vineyard in western New York along Lake Erie.

  Conduct an analysis of variance

Conduct an analysis of variance

  Statistical procedure used to analyze data

What statistical procedure was used to analyze data in study B?

  Creating a prediction model

You wish to find out if negative relationship exists between amount of bottled water someone drinks and their water bill.  Create a prediction model, if suitable.

  Difference between satisfaction levels of mid country

Using a 5% level of significance, can  we say that, generally there is important difference between satisfaction levels of mid country residents and coastal residents?

  Evaluate the numerical value of the anova f statistic

The researcher computes the sum of squares for groups as SSG = 40030 and the sum of squares for error as SSE = 414780. The numerical value of the ANOVA F statistic is

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