A researcher wants to determine how productive males and females are when working with machines of varying weights. His first hypothesis is that there is no difference between males and females in the number of teddy bears they can produce in a typical 8-hour shift. His second hypothesis is that the weight of machinery used ma
Please see attached for the copy of an Excel report for a two-way ANOVA with replication run and then answer the following: (a) If Sample is the first independent variable and Columns is the second independent variable, are either one significant? If so, identify which one based on evidence. (b) How many values are in each
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Hypothesis Testing - 1. Three assembly lines are used to produce a certain component for an airliner. To examine the production rate, a random sample of six hourly periods is chosen for each assembly line and the number of components produced during these periods for each line is recorded. The output from a statistical software package is:Please see the attached file. ... [See the attached question file.]
1. Three assembly lines are used to produce a certain component for an airliner. To examine the production rate, a random sample of six hourly periods is chosen for each assembly line and the number of components produced during these periods for each line is recorded. The output from a statistical software package is:Please see
Class -look at this data Customer Satisfaction Level Overall Taste Neither Very Satisfied Nor Very Dissatisfied Dissatisfied Dissatisfied Satisfied Satisfied Unlikely 120 60 25 15 10 Purchase Undecided 40 40 30 45 55 Decision
Construct a ANOVA table for the following great need some need no need 0 10 17 1 5 10 3 7 9 4
RES/342 Week Two TWO OR MORE SAMPLE HYPOTHESIS TESTING Introduction Last week, we reviewed the 5-step procedure for performing a simple hypothesis test of a single mean. In this week, we examine hypothesis testing under several other conditions including large and small samples, comparing two independent samples, two dependen
1. In an analysis of variance, we also get an F value. This value is based on the SSA(SS total), SSE, and SST values. Assume that we have three columns (or treatments), 5 values per column and SS Total = 39,000, SSE = 35,000. Calculate the following: MSE MST For the above problem, what is the value of F? If the calculat
A business researcher uses two-way ANOVA in a report for a client. The researcher does not check the assumptions of using the technique. Is this a problem? (Please explain and give examples.)
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10.31 Do a larger proportion of college students than young children eat cereal? Researchers surveyed both age groups to find the answer. The results are shown in the table below. (a) State the hypotheses used to answer the question. (b) Using α = .05, state the decision rule and sketch it. (c) Find the sample proportions an
ANOVA: In a bumper test, three types of autos were deliberately crashed into a barrier at 5mph, and resulting damage was estimated. five test vehicles of each type were crashed. Are the mean crash damages the same for these three vehicles?
In a bumper test, three types of autos were deliberately crashed into a barrier at 5mph, and resulting damage was estimated. five test vehicles of each type were crashed. Goliath Varmint Weasel $1,600 $1,290 $1,090 $760 $1,400 $2,100 $880 $1,390 $1,830 $1,950 $1,850 $1,250 $1,220 $950 $1,920 Are the mean crash da
1. Consider the following data taken from a local grocery store, in which monthly sales of baked goods that were placed on different shelves was collected (bottom, middle, top shelves). Is there a difference in monthly sales between shelves? Please test this at a 5% probability level. (6 points) a. State the hypotheses. b. Sta
Please see the attachment. 12. 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 3 9 6 2 6 3 5 5 5 1 6 5 3 8 5 1 5 4 4 1 7 5 6 4 a. State the null hypothesis and the alternate hy
Four different assembly processes were under consideration. Sixteen workers were randomly assigned to the four processes, eight per process. The number of correctly assembled units in an eight-hour work shift was recorded: Process 1 Process 2 Process 3 Process 4 31 29 28 32 36
What is an independent sample? What is a related sample? When should researchers use different hypothesis tests for independent and related samples? Is one type of sample preferable over the other? Why is the F distribution important? How do you determine if a significant difference exists among the groups in ANOVA? How do yo
Use the following scenario. Develop two-null hypothesis tests to ascertain if there are any statistical variances in the averages of bus route times and any statistical variance among the average performance of the bus drivers. Use the following information to conduct the test: The three bus routes are the treatments. The thr
This solution provides example of Analysis of Variance (ANOVA) investigating the relationship if teengae running shoe ownership depends on world region. The solution is provided in excel with easy to understand formulas
Teenagers make up a large percentage of the market for clothing. Below are data on running shoe ownership in four world regions (excluding China). Research question: At α = .01, does this sample show that teenage running shoe ownership depends on world region? Running Shoe Ownership in World Regions Owned By U.S.
Dear OTA, Please help me with the attached problem with steps. Thanks List of overtime hours for men: 6 3 6 2.5 5 List of overtime hours for women: 2.5 8 5 3.5 6 Questions: 1. Find H0 and H1 (Hypotheses) 2. Find level of significance (Decision Rule) 3. Test Statistic 4. Conclusion
Please show all work for both problems. 1. 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 treatments was 40. a. Set up the null hypothesis and the alternate hypothesis. b. What is the decision rule? Use the .05 significance level. c. Co
You come across a research article with the following statement in the Results section: "The results of a one-way ANOVA were statistically significant, F (3, 25) = 4.78, p < .05." A. How many levels did the independent variable have? B. In total, how many subjects participated in the study? In other words, what is vV?
Can you help me with definitions and how to explain the use of the statements below in everyday life? I am trying trouble relating the statements to personal issues or issues related to work life. *What are the advantages of ANOVA over the mean test and what are the disadvantages? Where would I use this in my everyday life?
1. Using the Raw Data State a relevant and useful "ANOVA Type" hypothesis for these 3 populations. This Hypothesis should compare the means between the 3. 2. Perform the 5 steps of hypothesis testing procedure 3. Please present the calculations and results and Graphs 4. Make all possible observations and interp
The weights (in grams) of four different colors of M&M candies are given below, along with the mean weight and variance of each color, and the variance of the sample means. Use a one-way ANOVA at the 0.05 significance level to test the null hypothesis that the different color M&M candies have the same mean weight. 4 groups
The following data show samples of three chain stores in three different locations in one town and the amount of dollars spent per customer per visit. At the 0.05 level, is there a difference among the means?
The following data show samples of three chain stores in three different locations in one town and the amount of dollars spent per customer per visit. At the 0.05 level, is there a difference among the means? Store A Store B Store C 30 42 30 14 28 14 22 20 20 18 35 16 26 49 15 25 28 36 24
BELOW IS DATA COLLECTED OVER A PERIOD OF 15 DAYS Day 1 6.6 Day 2 5.2 Day 3 6.6 Day 4 5.5 Day 5 7.2 Day 6 4.8 Day 7 2.3 Day 8 7.8 Day 9 7.6 Day 10 7.5 Day 11 6.6 Day 12 5.2 Day 13 6.6 Day 14 5.5 Day 15
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
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