Q3 A researcher wish to compare four manufacturing methods on the breaking strengthof plastic. Four types of machines are used in this experiment. He believed thatmachines have an effect on the plastics breaking strength. However, each machinecan operate only three methods during the experiments on a given day. Table Q3shows the data of the experiment.Table Q3: Four manufacturing methods on the breaking strength of plasticManufacturing MethodsMachine21A=73C=73D=752A=74B=75C=753B=67C=68D=724A=71В-72D=75What is the name of the design? Write an appropriate statistical modelthen list the assumptions and identify the terms.(a)(b)Is this design symmetric ? Justify your answer.State if the design balance or not. Discuss how to achieve balance in thisdesign ? Justify your answer.(c)(d)Test the hypothesis at a = 0.05 whether there is an effect of the fourmanufacturing methods on the breaking strength of plastics.

*Answer: *a This is an LSD design since we have two sources of blocking. The model is: Yijk = pi +…

Answered: hines have an effect on the plastics…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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I have already made these indications (I refer to the use of minitab as a tool) and some bartleby experts have helped me and this helps me in my learning ;) Instructions:solve the question in the image but in Minitab (The app)
man loves, as everyone should, to collect and analyze statistical information. He wishes to find a relationship between how many hours students study and how they do on their statistics tests. He takes a random sample of 16 students at Ideal U., asks how many hours they studied for a university-wide stat test and how they did on the test, enters the data into a computer for analysis and presents the results below. ANALYSIS OF HOURS AND GRADES (n = 16): Descriptive Statistics: HOURS GRADES Mean: 4.2 75.8 Mode: 5.0 79.0 St. Dev: 2.3 10.1 Quartiles: Q0 2.0 34.0 Q1 3.2 53.7 Q2 4.7 78.5 Q3 6.3 86.9 Q4 9.0 97.0 Regression Analysis: Reg. Eq. is: GRADE = 16.9 + 9.025*HOURS Rsquared = .985 std error = 0.027 F = 8.52 p = .018 What problem might there be in using the regression model to predict what grade a student might get if they studied 10 hours? a. The predicted grade for 10 hours is more than 100, which is impossible. b. The value of 10…
ONLY NEED ANSWERS TO STEP 4 AND 5 t test for Independent Means. Professor Wolinsky hypothesizes that type of TV show impacts people’s mood. To study this, she uses two groups: the experimental group who watches reality TV shows for three hours, while the control group watches the news for three hours. Each of the groups then completes an assessment of mood. In all, 32 people participate: 17 watch reality TV shows and 15 watch the news. The Mean, Sample Size, and SS for each group are below. Using these data, conduct a t test (p<.05) to determine if TV show type had an impact on an individual’s mood. Reality TV Shows: News: N = 17 N = 15 M = 34 M = 24 SS = 340 SS = 251 Step 1) Create a research hypothesis and a null hypothesis about the populations. Null hypothesis (H0): Research hypothesis (HA): Step 2) Determine the characteristics of the comparison distribution. Degrees of freedom for…
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A teacher has found that his class performed particularly well on a quiz when the material was related to pop culture (M= 77) compared with normal quiz performance (u= 69, 0 =20 ). What is the effect size for this effect? Select one: • a. 0.40 e b. 1.57 • c. 0.94 • d. -0.94 e e. All of the above
(Please show all work on how you got this so I may learn from it and check my answers.) A researcher is interested in understanding if perfume affects how attractive a person is perceived tobe. To examine this phenomenon, the research randomly assigns the participants to rate theattractiveness of an individual from one of three groups: no perfume, a small amount of perfume, and alarge amount of perfume. Below are the ratings to how attractive the participants find the individual:NO Perfume A SMALL Amount of Perfume A LARGE Amount of Perfume4 6 05 3 13 5 05 4 14 5 23…
Your daughter is wasting my husband's money by trying to collect 6 rare photocards from a foreign album. Calculate the average number of albums she needs to buy in order to get all the 6 collectibles. Use the three trials shown below for your simulation.(Note: Treat the data vertically, and in order).
- Input the data in IBM SPSS - State the step by step process and explain Case analysis: Workers at a tree farm decided to test the efficacy of three fertilizer mixtures (A,B and C) on the growth of Norway maple seedlings, Acer platanoides. The table below contains the heights of seedlings (in feet) for the three fertilizer treatments. Determine if there are significant differences in the heights among the three treatments. Use also the appropriate posthoc for mean separation, if necessary. A 2.0 2.1 2.4 ~23m 2.8 489 2.9 3.1 3.2 3.7 278 AW 3.8 4.1 STATISTICAL TOOL USED: CONCLUSION: B 2.3 2.9 1.5 1.2 1.9 1.9 3.4 NW 2.1 2.6 2.4 с 3.1 1.5 2.2 2.9 1.7 2.1 2.8 1.5 2.8 2.2
The Grade 10 Life Orientation teacher has planned a trip for learners of Valley Vista High School to the local university campus to receive some career guidance. Consider the following: The transport cost per learner is R136 for a 50-seater bus from the school to the university campus, and back to school again. All 50 learners paid for the trip 3.2.1 Name the dependent variable. 3.2.2 Determine the values of A and B 3.2.3 What type of relationship is represented in the table? 3.2.4 Is the data used discrete or continuous?

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