Instructions: Address the following problem and obtain and write down the F-score and p-value in five decimal places.A new fertilizer has been developed to increase the yield on crops, and the makers of thefertilizer want to better understand which of the three formulations (blends) of this fertilizerare most effective for wheat, corn, soybeans and rice (crops). They test each of the threeblends on one sample of each of the four types of crops. The crop yields for the 12combinations are as shown. Determine if there is a significant difference at 0.01 level ofsignificance.Crops (Factor B)Factor AWheatCornSoySoy(Blend)Blend A123138110151Blend B145165140167Blend C156176185175

State the hypotheses Let Treatment denotes the Factor A Let Blocks denotes the Factor B Use EXCEL…

Answered: Instructions: Address the following…

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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C6. The GSS 2014 asked respondents to identify what was important for "truly bemg American." When asked "How important to have American ancestry?" answers were measured on a 4-point scale: 1 = very important, 2 = fairly important, 3 = 1ot important, and 4 = not important at all. We selected a sample of 20 GSS respondents and present their individual responses. Complete the five-step model for these data, using alpha = .01 to assess the significance of the model. not very %3D %3D %3D White Black Other 1 4 2 2 3. 1 4. 4. 2. 2. 1, 2. 3.
Q2 Fifteen adults of males between age of 35 and 50 participated in a study to evaluate the effect of diet and exercise on blood cholesterol level. The total cholesterol was measure in each subject initially and then three month after participating in aerobic exercise program and switching to low fight diet. The data are shown in the table below: Before 256 240 258 295 251 205 238 247 225 294 238 229 After 229 231 227 234 218 218 230 243 221 240 219 211 a. Do the data support the claim that low fat diet and aerobic exercises are of value in producing a mean reduction in blood cholesterol level at 5 % level of significance? (show all steps of hypothesis testing) b. Construct a one sided confidence interval that can be used to answer the question in part a. Check the results obtained in part a using R-Studio. Write your conclusion based on the p-value obtained in R studio. C.
Martha’s Vineyard Marine Supply is a wholesaler for a large variety of boating and fishing equipment. The company’s controller, Mathew Knight, has recently completed a cost study of the firm’s material-handling department. Knight used work measurement to quantify the department’s activity. The control factor unit used in the work-measurement study was hundreds of pounds of equipment unloaded or loaded at the company’s loading dock. Knight compiled the following data. 1. Construct an Excel spreadsheet and use the Excel commands to perform a least-squares regression. Estimate the variable- and fixed-cost components in the company’s material-handling department costs. Note: Round the Variable-cost component to 2 decimal places and the Fixed-cost component to the nearest whole dollar amount. Fixed-cost component = Variable-cost component =
A psychologist would like to examine the effects of different testing methods on the final performance of college students. One group has regular quizzes, one group has three large exams, and the third group only has a final exam. At the end of the course, the psychologist interviews each student to get a measure of the student's overall knowledge of the material. Do these data indicate any significant differences among the three methods? Do the following computations: a. Compute and report the F Ratio at a a = .05 b. Compute and report the Tukey's HSD to determine exactly which methods are significantly different. Quizzes 4 6 3 7 T = 20 SS = 10 Exams 1 4 5 2 T = 12 SS= 10 Final Only 0 2 0 2 T=4 SS=4 G=36 EX² = 164 ✩
Beachcomber Ltd in a local car dealership that sells used and new vehicles. The manager of the company wants to know how different variables affect the sales of his vehicles. A random sample of yearly data was taken with the view to testing the model: SALES=?+?AGE+?MIL+?ENG Where SALES= amount that a vehicle is sold for($000’s), AGE = age of the vehicle, MIL= the total mileage of the vehicle at the point of sale and ENG = the size of the engine. The sample of data was processed using MINITAB and the following is an extract of the output obtained: a) What is dependent and independent variables? b) Fully write out the regression equation c) Fill in the missing values ‘*’, ‘**’, and ‘***’.
We would like to determine how a person's cholesterol level can be predicted by his or her fat consumption. The average daily fat consumption (in mg) and the cholesterol levels for a sample of eight individuals are shown below: Individual Fat Consumption Cholesterol Level Oa. 7.587 O b. 16.48 O C. -16.48 What is the value of residual for Individual 2? O d. -190.52 3 3941 5095 8729 184 207 216 e. 1 190.52 2 = 4 5 10115 7747 The least squares regression line for predicting cholesterol level from fat consumption is: Predicted cholesterol level 129.38 +0.012xFat consumption 16 7 9623 4517 205 254 175 270 6 8 8220 230
1. Find the value of Q₁ for this data: 2, 4, 6, 8, 10, 12, 14 O A 4 B.5 O c.8 OD. 12
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- 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 level of cretaine phosphokinase (CPK) in blood samples measures the amount of muscle damage for athletes. At Jock State University, the level of CPK was determined for each of 25 football players and 15 soccer players before and after practice. The two groups of athletes are trained independently. The data summary is as follows : For football players: n=25 Before Practice After Practice Difference (Before-After) Mean 254.73 225.6 29.13 Standard deviation 115.5 132.6 21.00 For soccer players: n=15 Before Practice After Practice Difference (Before-After) Mean 177.1 173.8 3.3 Standard deviation 60.7 64.4 6.88 Assume that all the data above are normal, use the information above to answer problem (7) Construct a 95% Confidence Interval for the difference in mean CPK values for football players BEFORE and AFTER exercises.
With Scheffe's S Test, perform the pairwise comparisons of the means and summarize the result of comparisons. Below are the data:

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