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
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
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
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
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
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,
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
The chief of security for the Mall of the Dakotas was directed to study the problem of missing goods. He selected a sample of 100 boxes that had been tampered with and ascertained that for 60 of the boxes, the missing pants, shoes, and so on were attributed to shoplifting. For 30 other boxes employees had stolen the goods, and f
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
See the attached file. A stock analyst wants to determine whether there is a difference in the mean rate of return for three types of stock: utility, retail, and banking stocks. The following output is obtained: a. Using the .05 level of significance, is there a difference in the mean rate of return among the three types of
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
At the .05 significance level, can she conclude there is a difference in the mean number of hours spent per week by industry?
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
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
Interpret the results of the ANOVA and the significance of the results to the business. Please explain how each day of the week has a different impact. Also, explain what this means to the banking industry. Explain the what the p values are telling you and the other statistics.
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