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Analysis of Variance

ANOVA

Need to perform an ANOVA on the data below using any method of computation or anything close to an ANOVA that looks like an attempt at it. I will outline some of the issues in the medical field which has had a negative effect on patient's satisfaction and the quality of care administered by hospital or other health care fa

ANOVA and Hypothesis

An employment agency wants to see which of three types of advertisements in the help-wanted section of local newspapers is the most effective. Three types of advertisements (big headline, straightforward, and bold print) were randomly alternated over a period of weeks and the number of people responding to the advertisements was

Determine the Mean as Director of Sales

This week, as Director of Sales for your company, you must determine if the mean prices of four different suppliers are the same. Since prices vary throughout the year, you feel it necessary to take into account the month in which the price quote was given. You should also consider the size of your order. Your newly hired resear

Tensile strengths of three types of wires are under study.

The tensile strengths (in psi) of three types of wires are under study. Suppose that following table represents the data for the three types of wires (after subtracting from the specified target value) tested. TYPE I: 11, 12, 12, 13, 10 TYPE II: 13, 14, 15, 15, 17 TYPE III: 14, 13, 15, 13, 11 (a) Perform an analysis of v

Two way ANOVA with interaction in STATDISK

I. Set up the following null and alternative hypotheses for both factors and their interaction. You should have three verbal statements, not symbolized statements. [Introductory paragraph, introduce the problem, the data and verbally describe the set-up and tests being conducted.] II. Problem: The following data contains ta

Trend equations to worked in Excel format

Need to know the equation setup and solution to the trend samples in Excel format. Determine the least squares trend equation. Estimate the amount of scrap for the year 2005. Year Code Scrap 1999 1 2.0 2000 2 4.0 2001 3 3.0 2002 4 5.0 2003 5 6.0 Determine a typical seasonal index for each of the four quar

Conduct an F-test to test the hypothesis

Your company is deciding which of four machines to purchase for a production line. The machines are all designed to fill and close bottles of liquid detergent. Each machine is tested for the same period of time on 10 separate occasions in a completely randomized design. See attached file for full problem description. 1

Interpretation of ANOVA results

An occupational health study was carried out to evaluate the health status of workers. The response is forced expiratory volume (FEV), a measure of respiratory function. Observations are made on n=12 individuals in each of three plants where workers are exposed primarily to one of three toxic substances, depending on the section

ANOVA multiple choice questions

An operations analyst collected data on the number of acceptable units produced from equal amounts of raw material by 24 entry-level piece work employees who had received special training.Four training levels were used (6, 8, 10, and 12 hours) with 6 employees randomly assigned to each level. The resulting means and ANOVA table

ANOVA: test designed to measure perfectionism

The personnel director of Cander Machine Products is investigating perfectionism on the job. A test designed to measure perfectionism was administered to a random sample of 18 employees. The scores ranged from 20 to about 40. One of the facets of the study involved the early background of each employee. Did the employee come f

ANOVA

22. Random samples of five were selected from each of three populations. The sum of squares total was 100. The sum of squares due to the treatment was 40. a. What is the null hypothesis and the alternate hypothesis? b. What is the decision rule? (Use the 0.05 level of significance) c. Complete the ANOVA table. d. What is yo

Partial ANOVA Table: Solution Set

The following is a partial ANOVA table. Source Sum of Squares df Mean Square F Treatment 2 Error 20 Total 500 11

Hypothesis Testing and Variance Analysis

This is a group project this is just my portion of the project, and I am totally lost in what to do to complete it. Each team member will provide research on Job Satisfaction. Again, use the Business Source Elite Database and/or the ABI Inform Global database in the Library and write up a short 1 page report on the topic. Th

Statistics LSD Excercise

A well know automotive magazine took three top of the line midsize automobiles manufactured in the United States, test drove them, and compared them on a variety of criteria. In the are of gasoline mileage performance, five automobiles of each brand were each test driven 500 miles; The miles per gallon data obtained are shown i

Analysis of variance

Below are 3 groupings of data. Run an Analysis of Variance on these, and conclude if there is a statistical difference between the 3 groups. A B C 13 10 14 16 12 14 14 11 15 16 12 14

ANOVA Test of a Certain Treatment

Source df sum squares mean square f ratio Prob >f treatment 2 100.5571 50.2786 1.7222 0.1847 error 87 2539.9445 29.1948 C. total 89 2640.5017 A. What is the Sum of Squares of Treatment? B. What is the Total Sum of Squares? C. What is the

ANOVA

Questions and data files are attached

Analysis of variance and multiple regression of correlation

One reads that a business school graduate with an undergraduate degree earns more than a high school graduate with no additional education, and a person with a master's degree or a doctorate earns even more. To investigate we select a sample of 25 mid-level managers of companies with less than 200 employees. Their incomes, class

Setting up an anova table

I need assistance in setting up an anova table. Please see attached. Assume that we have 5 treatments we are comparing with respect to their means. Assume that we have 5 experimental units each for the treatments. Assume that Sums of Squares Treatment is 100 Assume that Sums of Squares Error is 25 Complete the ANO

Anova paper: I need 3 sets of data and help using ANOVA to see if there is a difference between the 3 groups.

I do not have any data for the groups that need to be added, it can be assumed & made up. T Please help me find three separate sets of data about the "candy" study I have attached. Please add a third "salt" group, or a "peanut butter" group, or a "taffy group" or a "salad group" or . . . . and see if there is any difference b

To find business situation for application of ANOVA

Using the Internet or other resources, find three separate sets of data that pertain to a business research issue, problem, or opportunity facing an organization you are familiar with. Be sure to identify data that can be used in an ANOVA test.

Statistics Problems on Two way Anova, Least Squares Equation, Weighted Moving Average, and Seasonal Index are explained with examples using a step by step explanation so that the students could easily understand the procedure and work out other similar problems using these solutions as model solutions. This will enable the students to understand the basic rationale behind the solutions of such problems. Just see the problems if they are of the same model that you need help on.

Question (1) : Martin Motors has in stock three cars of the same make and model. The president would like to compare the gas consumption of the three cars (labeled car A, car B, and car C) using four different types of gasoline. For each trial, a gallon of gasoline was added to an empty tank, and the car was driven until it r

Analysis of Variance (ANOVA) Technologies

Visit: http://www.fiu.edu/~howellip/exanova.htm A manager wishes to determine whether the mean times required to complete a certain task differ for the three levels of employee training. He randomly selected 10 employees with each of the three levels of training (Beginner, Intermediate and Advanced). Do the data provide suffi

Given the following sample information, test the hypothesis that the treatment means are equal at the .05 significance level.

Given the following sample information, test the hypothesis that the treatment means are equal at the .05 significance level. Treatment 1 Treatment 2 Treatment 3 8 3 3 11 2 4 10 1 5 3 4 2 a. State the null hypothesis and the alternate hypothesis. b. What is the decision rule? c. Compute SST, SS

Significant difference in mean hours

The manager of a computer software company wishes to study the number of hours senior executives spend at their desktop computers by type of industry. The manager selected a sample of five executives from each of three industries. At the .05 significance level, can she conclude there is a difference in the mean number of hours s

Is there evidence to suggest a difference in the mean waiting times at the four body shops? Use the .05 significance level.

There are four auto body shops in a community and all claim to promptly serve customers. To check if there is any difference in service, customers are randomly selected from each repair shop and their waiting times in days are recorded. The output from a statistical software package is: Summary Groups Count Sum Average Varia

Problem on ANOVA

1. Dean Gampel, of the School of Business at Sperling University, wants to demonstrate to the editors of Business Week that Sperling University's MBA program is of good quality. He felt he had enough data to show that the quality of the faculty's teaching and research was comparable. However, the Dean felt he did not yet have

Statistics - ANOVA - Family planning agency

1. Please explain in simplest terms F statistic and F test? 2. Under what situations can or could you use the ANOVA? Your answer should at least comment on the type of data needed. 3. A family planning agency wants to know if a religion's emphasis on family and child bearing has any influence on family size. Specifically,

Analysis of Variance: One-Way; Use F-test

Part A: (Analysis of Variance: One-Way; Use F-test) A real estate developer is considering investing in a shopping mall on the outskirts of Atlanta, Georgia. Three parcels of land are being evaluated. Of particular importance is the income in the area surrounding the proposed mall? A random sample of four families is selecte

Analysis of Variance in SPSS for Masters Biostats

I am having some difficulty on this problem (I've attached it in Word). I have my answers, but need some reassurance, and to reconcile. Stats Package is SPSS. (See attached files for full problem description)