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!
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.
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.
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
Use the data scores in the Excel attachment from the three groups of subjects to conduct a one-way ANOVA.
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
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
Pulse rates for 3 treatment groups: Analyze the results using one way ANOVA. How would you characterize the overall validity results, should the drug be approved?
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
PLEASE NOTE: In addition, to showing your printout and excel, state the result of the hypothesis test in terms of the question by using complete sentences and examples. Ques 1:1 A nationwide sample of influential Republicans and Democrats were asked as a part of a comprehensive survey whether they favored lowering the en
A local delivery company wishes to examine the time it takes drivers to drive specific routes. The following data was collected for three drivers for several days over the same route. Driver 1 Driver 2 Driver 3 22.6 17.3 22.8 21.8 23.4 22.9 23.5 19.7 31.6 24.5 35.4 The ANOVA procedure was employed to evaluate the res
Please see the attached file for full description. ---- The General Social Survey is an annual survey given to a random selection of about adults in the United States. Among the many questions asked are "What is the highest level of education you've completed?" and "If you're employed full-time, how many hours do you spend
The following is a partial ANOVA table. Source Sum of Squares df Mean Square F Treatment 2 Error 20 Total 500 11 Complete the table and answer the following questions. Use the .05 significance level.
I have an essay to write, about this statistics problem. I have used several calculation methods and I have no idea where to begin with this problem. I am having difficulty as is with this class. Could you please break down the problem step by step and please explain why I would go with that option to resolve the problem. I have
Calculate the Mean, Median, and Mode, Correlation coefficient, ANOVA using Excel Data Analysis For complete description of the problem please see the specific problems.
1. Calculate the Mean, Median, and Mode of this sample. Show Calculations: Use any calculation method desired 20,21,25, 28, 26, 30, 24, 32, 31, 27, 29, 32,39,40. 1.a. Mean:___________ 1.b. Median:__________ 1.c. Mode:___________ 2. Following are the weekly amounts of payments made by the federal government: Ca
I have atatched a SPSS data file. I have 4 population of the house pricing in Ontario (10 prices in 4 regions) and I need to perform at least 3 tests in SPSS to compare the region with each other. Also I need conclusions for the all. I expect that at least three different tests will be done- for example, you may do an F test
Is there a statistically significant difference between the three estuaries in terms of mean residual levels of DDT?
Residual levels of DDT were measured in the blood of fish in three different estuaries. The results were as follows: A B C 15 6 26 11 21 11 27 9 9 9 13 17 At the alpha = 0.05 level of significance, is there a statistically significant difference between the three estuaries in terms
Commute times: three random samples of time in minutes that commuters are stuck in traffic are shown. At anova =0.05, is there a difference in the mean times among the three cities? What factor might have influenced the results of the study? Show work Dallas Boston Detroit 59 54 53 62 52 56 58 55 54 63 58 49 61 53 5
I know the methodology is ANOVA I just don't know how to work out the formula, Can you please help? Court Case II: In Dendy vs. Washington Hospital Center case, 26 out of 26 white nurses passed an examination and 4 out of 9 African American nurses passed the examination in Washington Hospital Center (UNITED STATES DISTRICT
At the level of significance 0.05, is there a difference between these three methods of assembling the machine?
Three methods of assembling a machine are compared to see whether there is a difference between the average (mean) times to assemble. Five mechanics with similar experiences and skills are used to do this testing. Each mechanic is asked to assemble the product using the three different methods. The following table gives the t
Four different types of fertilizers are used on raspberry plants. The number of raspberries on each randomly selected plaint is given below. Test the claim that the type of fertilizer makes no difference in the mean number of raspberries per plant. State your hypothesis, draw your curves, label your critical values and your t
Johnson Shampoo Company sells three shampoos - for dry, normal, oily, and greasy hair. Sales (in $millions) are given below. Month Dry Normal Oily Greasy June 7 9 12 10 July 11 12 14 12 August 13 11 8 9 September 10 10
ANOVA step by step method by hand calculation and also Using Excel. Assumptions, Rationale, and solution using two methods. Manual and Excel.
Question : (1) State the Assumptions of ANOVA. (2) Describe the Rationale of ANOVA stating the ANOVA table. (3) Solve the following problem using One-Way ANOVA Four types of advertising displays were set up in 12 retail outlets, with three outlets randomly assigned to each of the displays, for the purpose of studying the p
Sample Set 1 Sample Set 2 Sample Set 3 12 9 9 7 10 11 11 11 10 10 2 12 8 8 7 6 7 10 A. Find the mean of each sample set. B. Find the variance of each sample set. C. Find the variance of the sample means. D. Find the variance between samples and the variance within samples. E. Find the F test statist