Question: Miriam ran an analysis with a population standard deviation = 0.90 . When reviewing sample sizes of 4 and 8, the standard error for the

Miriam ran an analysis with a population standard deviation = 0.90 . When reviewing sample sizes of 4 and 8, the standard error for the sample mean was se(x-bar) = 0.45 and se(x-bar) = 0.32 respectively. Doing a comparison, what does the expected value and the standard error of the sample mean reflect?

A. The standard error for the sample mean is lower, increasing variability in the sample set.

B. By comparing, the results confirm that averaging reduces variability.

C. The standard error for the sample mean is lower confirming the initial population standard deviation is incorrect.

D. By comparison, the results confirm the sample is normally distributed with increased variability.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

Running head: SEXUAL EDUCATION MODELS IN THE UNITED STATES Sexual Education Models in the United States and their Impact on Sexual Attitudes and Behaviors DePaul University 1 SEXUAL EDUCATION MODELS...

1) The null and alternative hypotheses are given. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed. What parameter is being tested? H0: = 110 H1: 110 Question content...

Name:_________________________________1(point) True/False: (Each question is worth 2 points) Indicate whether the statement is true or false. ____ 1. The length of time for which an apartment in a...

Answer the following questions using your own words. 1. What is the critical value for a one-tailed 2 test? For a two-tailed 2 test? Which is more likely to result in a rejection of the null...

I need someone to review my analysis and hypothesis paper Conduct an analysis and hypothesis test of your choice on the data you collected. Make a word research summary of the findings generated...

Unit 3 Problem Set NAME: Elements of Statistics--FHSU Virtual College--Spring 2017 REMEMBER, these are assessed preparatory problems related to the content of Unit 3. The Unit 3 Exam will consist of...

please please help! I know this is a lot but my grade truly depends on this. THANK YOU In the context of this investigation, the 3005 invoices obtained by the CPA firm are our population of interest,...

Location Income ($1,000) Urban 27 Rural 25 Suburban 25 Suburban 26 Rural 30 Urban 29 Rural 33 Urban 30 Suburban 32 Urban 34 Urban 35 Urban 40 Rural 30 Rural 33 Urban 42 Suburban 32 Urban 43 Urban 43...

Instuctor's Annotated Edition TENTH EDITION Understandable Statistics Concepts and Methods Charles Henry Brase Regis University Corrinne Pellillo Brase Arapahoe Community College Australia Brazil...

1.What causes statistical methods to be not reliable? 2.Briefly define a simple random sample. 3.Briefly define stratified sampling. 4.Briefly define a cluster sample. 5.Briefly define a multistage...

Parry Company has accounts receivable of $95,400 at March 31, 2012. An analysis of the accounts shows these amounts. Credit terms are 2/10, n/30. At March 31, 2012, there is a $2,100 credit balance...

The following information pertains to the Vermont Furniture Company for the year 2020: Number of tables produced and sold 2,000 Selling price $700 per table Rent on the Home Office Building $60,000...

With respect to commercial banks, the principal use of funds is accepting deposits. Group of answer choices True False

The following table contains a hypothetical partial master budget performance report for Olivia's Fudge Company. Fill in the missing amounts. Be sure to indicate whether variances are favorable (F)...