CheRequired informationTo assess the effect of piston ring type and oil type on piston ring wear, three types of piston rings and four types of oilwere studied. Three replications of an experiment, in which the number of milligrams of material lost from the ring infour hours of running was measured, were carried out for each of the 12 combinations of oil type and piston ring type.With oil type as the row effect and piston ring type as the column effect, the following sums of squares were observed:SSA = 1.293, SSB = 0.9340, SSAB 0.2485, SSE 1.7034.Construct an ANOVA table. (Enter your Sum of Squares, Mean Sum of Squares, and F calculations rounded to three decimalSourceOilRingInteractionErrorTotalDFSSMSFP(Click to select)(Click to select)(Click to select)< Prev89 1011of 20Neht >

Step 1: Objective and ConceptObjective:-To construct the ANOVA table. Concept:-The ANOVA table…

Answered: Che Required information To assess the…

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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A state fisheries commission wants to estimate the number of bass caught in a given lake during a season in order to restock the lake with the appropriate number of young fish. The commission could get a fairly accurate assessment of the seasonal catch by extensive “netting sweeps" of the lake before and after a season, but this technique is much too expensive to be done routinely. Therefore, the commission samples a number of lakes and record the seasonal catch (thousands of bass per square mile of lake area) and size of lake (square miles). A simple linear regression was performed and the following R output obtained. Estimate Std. Error t value Pr(>|t|) (Intercept) 2.5463 0.4427 5.7513 0.0000 size 0.0667 0.3672 0.1818 0.8578 If a scatterplot showed a non-linear relationship between the response and explanatory variables, what should be done? O Nothing. Continue the analysis as is. Stop the analysis. Perform a natural log transformation on the response variable first. O Perform a…
Question # 5: Twenty-five army inductees in Ontario were given a blood test to determine their blood type. The data set is A B B AB O O O B AB B B B O A O A O O O AB AB A O B A Calculate the single-number estimate of the population proportion of the army inductees who got blood type O.
Mr. Acosta, a sociologist, is doing a study to see if there is a relationship between the age of a young adult (18 to 35 years old) and the type of movie preferred. A random sample of 93 adults revealed the following data. Test whether age and type of movie preferred are independent at the 0.05 level. Person's Age Movie 18-23 yr 24-29 yr 30-35 yr Row Total Drama 7 13 14 34 Science Fiction 11 11 8 30 Comedy 8 10 11 29 Column Total 26 34 33 93 (A) Find the value of the chi-square statistic for the sample. (Round the expected frequencies to at least three decimal places. Round the test statistic to three decimal places.)
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 ✩
Question 9 parts E, F, and G.
#10).
In the experiment, a group of college students was told that they were participating in a manual dexterity study. Half of the students were given a stack of money to count and the other half got a stack of blank pieces of paper. After the counting task, the participants were asked to dip their hands into bowls of very hot water (122°F) and rate how uncomfortable it was. The following data show ratings of pain similar to the results obtained in the study. A. State null and alternative hypotheses b. Report results of statistical test, i.e., significant or not? Use .05 2-tailed alpha level. (what error might you be making) c. Report Cohen’s d value and interpret
Question 5 Jade works at an insectarium and is conducting a study that investigates the possible effects of three different food types (type 1, 2 and 3) on adult size among three species of butterfly (species A, B and C). For each particular combination of food type and species, Jade randomly selected three butterflies from that species which were raised only on that food type until they reached adult size. For each butterfly, Jade recorded the adult wingspan (Y) in centimetres. Some sample statistics are displayed in the table below. Food Type Sum of Sample Values Sum of Squared Sample Values 1 Σ Υ = 38.7 Σ= Y = 168.93 2 Σ1Y2i = 44.1 3 ₁1Y3i = 52.2 A. Test whether the population variance of butterfly wingspan is the same for butterflies raised on food type 1 and for butterflies raised on food type 2. Clearly state your hypotheses and use a significance level of a = 5% Test whether the population mean wingspan of butterflies raised on food type 2 is greater than the population mean…
Mr. Acosta, a sociologist, is doing a study to see if there is a relationship between the age of a young adult (18 to 35 years old) and the type of movie preferred. A random sample of 93 adults revealed the following data. Test whether age and type of movie preferred are independent at the 0.05 level. Person's Age Movie 18-23 yr 24-29 yr 30-35 yr Row Total Drama 9 13 12 34 Science Fiction 9 8 13 30 Comedy 10 8 11 29 Column Total 28 29 36 93 n USE SALT (a) What is the level of significance? State the null and alternate hypotheses. O Ho: Age and movie preference are independent. H: Age and movie preference are not independent. O Ho: Age and movie preference are independent. H,: Age and movie preference are independent. O Ho: Age and movie preference are not independent. H,: Age and movie preference are not independent. O Ho: Age and movie preference are not independent. H: Age and movie preference are independent. (b) Find the value of the chi-square statistic for the sample. (Round the…

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