A study regarding the relationship between age and the amount of pressure sales personnel feel in relation to their jobs revealed the following sample information. At the 0.01 significance level, is there a relationship between job pressure and age? Explain. Degree of Job Pressure Age (years) Low Medium High
Perform a one-way independent -samples ANOVA test to determine: 1- what is the value of the mean square for error (the "within groups" mean square) that would be reported in the ANOVA test 2- What is the value of the mean square for treatments (the "between groups" mean square) that would be reported in the ANOVA test ple
Both of problems should be in excel file. 1. Did you ever purchase a bag of M&M's candies and wonder about the distribution of colors? You can go to the website www.baking.m-ms.com and click the United States on the map, the click About M&M's, then History, Products, and Peanut and find the percentage breakdown according to t
Suppose a firm evaluates the productivity of the three shifts of workers who work in their factory. Each shift's performance is measured on the amount of output that is produced during the shift - day, evening, or swing shift. Based on these ratings presented in the table below, produce an ANOVA analysis in Excel (see the exam
1) Experiment was conducted at the .01 level of significance. The one-tailed test with the rejection area in the upper tail of the z-curve was used. Computed z-score was 1.79. What does it mean? A. We should reject H0 and accept H1. B. We should not reject H0. C. We should have used the .05 level of significance. D. We shou
Graduate Level: Please answer the question and provide an example. Thanks.
Please explain the major differences between one-way and two-way ANOVA.
I need help in working through the following three examples. I am preparing for a test next week and need help working through some examples. Example 1 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
Three universities administer the same comprehensive examination to the recipients of MBA degree. From each university, a random sample of MBA recipients was selected, and these recipients were then given the exam. The following scores were recorded. For university A: 89, 95, 75, 92, 99. For university B: 60, 95, 89, 80. For uni
The following is sample information. Test the hypothesis that the treatment means are equal. Use the .05 significance level. (See attached file). a. State the null hypothesis and the alternate hypothesis. b. What is the decision rule? c. Compute SST, SSE, and SS total. d. Complete an ANOVA table. e. State your decision
A seminar is given to three levels of managers (highlevel, midlevel, lowlevel).The facilitators believe the evaluations may vary with the audience. The ratings are on a scale from 1-10 with 10 being the highest. Use a one-way ANOVA to determine whether there is a significant difference in evaluations according to manager level
The attached data set is a study that was conducted to determine whether there is a difference between three types of therapy. The participants in this study were clients who agreed to participate. Participants were randomly assigned to the three therapy types, carried out by equivalently skilled therapists. The outcome score
Researchers conduct a study in which three groups of research participants are exposed to three different conditions, after which their heart rate is measured. In condition one, the group is asked to place their right hand for three minutes into a pot of water that is 90 degrees. In condition two, the second group is asked to
Question 1 A researcher sets alpha to be .05 and generates a one-way ANOVA. She finds that a p value of .08 for the overall omnibus F test. This indicates a statistically significant post hoc comparison. a. True b. False Question 2 Dedra conducted an experiment to determine if performance in statistics changes
The Chapin Manufacturing Company operates 24 hours a day, five days a week. The workers rotate shifts each week. Management is interested in whether there is a difference in the number of units produced when the employees work on various shifts. A sample of five workers is selected and their output recorded on each shift. At the
16-9. At www.payscale.com, the median salary for a chiropractor in Kansas is $82,400 per year. A group of recent graduates believe this amount is too low. In a random sample of 205 chiropractors who recently graduated, 170 began with a salary of more than $82,400 and five earned a salary of exactly $82,400. 1. State the null an
Fill in the missing entries using a one-way ANOVA table. Source DF SS MS=SS/df F- statistic Treatment 2.124 0.708 0.75 Error 20 Total Construct the one way ANOVA table for the data. Compute SSTR and SSE using the defining formula: SST = sum(x-xbar) squared SSTR = sum of size of sample from population (me
Analysis of variance (ANOVA) is used to determine if there is a difference between the means of different populations. Example: A company was trying to sell her the feed they produced by claiming that if her hens ate their feed, the hens would produce more eggs. They offered her a study to read in which they demonstrated that th
Which statistical test do I use to find out: "Do the socioeconomic groups differ on life satisfaction, health, perceived control, mobility, self esteem, and social interaction? Which group/s differ from the others? " I am doing analysis on survey data in SPSS file.
Suppose a firm evaluates the productivity of the three shifts of workers who work in their factory. Each shift's performance is measured based on the amount of output that is produced during the shift - day, evening, or swing shift. Based on these ratings presented in the table below, produce an ANOVA table and determine if the
Chapter 11 24.The liquid chlorine added to swimming pools to combat algae has a relatively short shelf life before it loses its effectiveness. Records indicate that the mean shelf life of a 5-gallon jug of chlorine is 2,160 hours (90 days). As an experiment, Holdlonger was added to the chlorine to find whether it would increa
Suppose a firm evaluates the productivity of the three shifts of workers who work in their factory. Each shift's performance is measured based on the amount of output that is produced during the shift - day, evening, or swing shift. Based on these ratings presented in the table below, produce an ANOVA table and determine if the
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 difference in the mean number of hours s
Here are the questions I need help with. I attached the 2 excel files (File: InvRisk and File: Invest) that go with each statistics problems below. There are 2 statistics problems. The statistics text I'm using is: Statistics for Business and Economics, 9e by Anderson Sweeney Williams. The accounting text I use is: Understa
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
What are some business situations in which ANOVA would be more appropriate than a t test or a z test?
See attached. I am using the ANOVA calculation from the data Analysis tool in Excel. --- ANOVA Source of Variation Sum of Squares df Mean Square F value Treatments 2 Error 20 Total 500 11 Assume a .05 level of significance. a. What are the null and alternate hypotheses? b. How many t
Research the topic of Job Satisfaction and provide a 1 page write-up of the research highlighting where statistical analysis is being used and why it's used. The article you choose should include the terms Job Satisfaction and ANOVA, or Job Satisfaction and One-Way ANOVA.
A physician who specializes in weight control has three different diets she recommends. As an experiment, she randomly selected 15 patients and then assigned 5 to each diet. After three weeks the following weight losses, in pounds, were noted. At the .05 significance level, can she conclude that there is a difference in the me
What are the differences between one-way and two-way ANOVA's.