Jointsoft is a great over-the-counter arthritis medication, but who will ever know about it? Unfortunately, many people with arthritis tend to be elderly and rather immobile, so advertisers of arthritis medications face limitations in ways to get their messages across. Currently, their best modes of advertisement are commercials
1- At LLD Records, some of the market research of college students is done during promotions on college campuses, while other market research of college students is done through anonymous mail, phone, internet, and record store questionnaires. In all cases, for each new CD the company solicits an "intent-to-purchase" score from
Please see the attached file. For the time being, the air traffic control system in the United States is run by the federal government. Some people would like to change this, arguing that the air traffic control system should be part of the private sector. Among the arguments given for the privatization of air traffic contr
Chapter 12 (Use ANOVA test) 10. 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 diffe
You collect the following salary figures for Master's Level Students and their salaries after 2 years at work. You are interested in whether or not people with different degrees make more or less money. The data are analyzed using an ANOVA test with the following results: Results attached! 1 What are the null and
I need a couple of good example problems worked and done fully. The Book is Design of Experiments by Montgomery. Prefer results in Minitab. Perform DOE a) Estimate factor levels b. Use ANOVA to confirm part A c. Write Down a regression model for predicting tool life (in hours) d. Anlayze the residuals Any obviou
Please see attached file for full problem description. 1) Answer the following questions: a) If r2 = 0.95, n = 11 and the = 100, what is or ? b) If r2 = 1, then in (1a) can be shown to have what type of relationship with SST and SSR? c) What relationship exists between and Y where r2 = 1? d) What relationship exi
There are three hospitals in Tulsa, Oklahoma. The following data show the number of outpatient surgeries performed at each hospital over the last 10 weeks. At the .05 significance level, can we conclude there is a difference in the mean number of surgeries performed by hospitals? Which hospitals are different from one another?
As part of a long-term study of individuals 65 years of age or older, sociologists and physicians at the Wentworth Medical Center in upstate New York conducted a study to investigate the relationship between geographic location and depression. A sample of 60 individuals, all in reasonably good health, was selected; 20 individual
Use the attached data and work through an ANOVA calculation. In this regard, remember the goal will be to work through an ANOVA test to compare the means of the four groups of data. Remember to also ensure that you begin by stating the null and alternative hypotheses. Your final answer should point out if you are rejecting or fa
When groups are more alike than different, ANOVA assesses the significance of the difference between two groups. When groups are unalike, will findings be more significant? And what are some conclusions you might draw from that?
I am confused on what it is meant by organize any data into a one-way and a two-way ANOVA table. Can someone help me understand this? (laymen terms) please. Thank you!
I need help in performing an Analysis of Variance (ANOVA) on the three data sets. The null hypothesis is that the means of all 3 samples are the same, and the alternate hypothesis is that the means are not the same. There are not equal numbers of scores in each date column, so the fact that the sample sizes to not have to be e
Please see attached file for full problem description and table format. Please show all work. 1. Given the following data conduct a test of hypothesis to determine whether the block and the treatment means differ. Use the .05 significance level and: a. State the null and alternate hypotheses for the treatments; b. State the
PROBLEMS: Use the file ANOVA Data Sets. Solutions using Megastat or Excel and hand calculations. 1. Given the mean scores from groups 1, 2, & 3, use One-factor (One way) ANOVA to test for the equality of means. Analyze and report on your results. (HINT) The dame data are presented in two common forms in sheet #1. Obser
Source DF SS MS F Regression 1 300 Error Total 24 500 a.Complete the ANOVA table. b. How large was the sample? c. Determine the standard error of the estimate. d. Determine the coefficient of determination.
1. Choose a variable and collect data for a least three different groups(samples). Compare the means of the three groups using the one-way ANOVA technique. Complete the following: a. Write a brief statement of purpose of the study b. Define the population c. State how the sample was selected d. What alpha value did you use?
The coefficient of determination between housing starts and interest rates for a sample of 30 quarters was .65. The standard error of the estimate was 20. Develop an ANOVA table.
For the following sample information, test the hypothesis at the .05 significance level that the treatment means are equal. Treatment 1 Treatment 2 Treatment 3 9 13 10 7 20 9 11 14 15 9 13 14 12
Suppose a study was conducted to test the effectiveness of three types of incentive systems on employee productivity. Management felt that the differences in productivity could be different between male and female employees. (See Excel attachment for data) What type of design is best suited for this problem? How would you sta
Answer questions 1-3 according to information given on attachment. The CFO of BKSS Clothing World has contracted your firm to answer the following questions: 1. Is there a difference in sales by Department? 2. Is the total for all departments over 6,000,000? 3. Which Department generates the most sales? Which Departmen
For this problem please use the data scores in the Excel attachment from the three groups of subjects to conduct a one-way ANOVA. Please compile your results in a Microsoft Word document. Instructions: Using the data in the Excel Attachment, perform the following statistical operations, and compile your results in a Micros
While doing and ANOVA you found the following: The Mean Sum of Square Between (MSSB) = 2.76 with df 5 and the Mean Sum of square Within (MSSW)= 10.89 with df 11. What conclusion can you draw regarding the null hypothesis of the equality of the means? Note: The test statistic in this case, F = MSSB/MSSW with numerato
A survey of the starting salaries of three different job types in the enrollment department at the University showed the following results. Enrollment Counselor - Sample size 26 - Average starting salary $36,000 The standard deviation was 1,800 Academic Counselor - Sample size 10 - Average starting salary $32,000 -Sd. Dev 1
Is there any way in which regression is like ANOVA? Explain your answer
Decision One: ANOVA Deb is contemplating three new locations for her pizza business - adjacent to campuses in Portland, Eugene, and Salem A random survey of 27 pizza shops in those locations is conducted with 9 stores surveyed in each location. (Deb hired college students to sit in the stores and eavesdrop on the pizza order
1- Given below are pulse rate for a placebo group the researcher selected all men in order to obtain more consistence results that do not have a confounding variable of gender, to test the effect of Xynamine - an new drug designed to lower pulse rate - one group was treated with drug Xynamine in 10 -mg doses, and a group of men
I have the scenario, the data and stated the hypothesis. I need help with the rest, please see attached doc. Feel free to provide or change the data if necessary. Please see attached file for full problem description. Begin by describing the research issue, problem, or opportunity and the accompanying data. o Use Excel to
The following is sample information. Test the hypothesis at the .05 significance level that the treatment means are equal. Treatment 1 = 9, 7, 11,9,12, 10 Treatment 2 = 13, 20, 14, 13 Treatment 3 = 10,9,15,14,15 1. State the null hypothesis and the alternate hypotheses. 2. What is the decision rule? 3. Compute SST,