stats ANOVA question, thankyou 1. Coin-operated terminals: A university computer service conducted an experiment in which onecoin-operated computer graphics terminal was placed at each of four different locations on thecampus last semester during the midterm week and again during the final week of classes. The datathat follow show the number of hours each terminal was not in use during the week at the fourlocations (factor A) and for the two different weeks (factor B).Factor B (week)j =1Midtermj= 2FinalFactor A%3D(location)i = 1i= 2i = 3i = 416.521.411.817.312.316.916,621.0a) Obtain a point estimate of u32.

A point estimate of the mean value is simply represented by the sample mean of the given data that…

Answered: 1. Coin-operated terminals: A…

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 two-factor, between subject research study with two levels of factor A and two levels of factor B would require two separate groups of participants. True False
In a two-factor experiment with two levels of factor A and two levels of factor B, three of the treatment means are essentially identical and one is substantially different from the others. What result(s) would be produced by this pattern of treatment means? a. a main effect for factor A b. a main effect for factor B c. an interaction between A and B d. main effects for both A and B, and an interaction
(b) (i) Create boxplots for these two data sets (either drawn by hand or as a printout from Dataplotter or another suitable computer package). Include all the relevant information required for drawing boxplots The summary values can be displayed on the boxplots themselves or in a table to the side of the chart, as they appear in Dataplotter. (ii) Use the boxplot for radio station B to say whether the data are symmetric or skewed. If the data are skewed, then state whether they are skewed to the left or skewed to the right. What does this tell you about the spread of the data for radio station B? (iii) The advertising company tries to summarise what the boxplot for radio station A is saying. Are the following statements true or false? In each case justify your answer. (1) About one-quarter of the reporting periods for radio station A had less than 10 550 000 listeners. (2) About three-quarters of the reporting periods for radio station A had more than 10 900 000 listeners.
In an online psychology experiment sponsored by the University of Mississippi, researchers asked study participants to respond to various stimuli. Participants were randomly assigned to one of three treatment groups: Group 1, the simple group, required to respond as quickly as possible after a stimulus was presented; Group 2, the go/no-go group, required to respond to a particular stimulus while disregarding other stimuli; and Group 3, the choice group, required to respond differently depending on the stimuli presented. The researcher felt that age may be a factor in determining reaction time, so she organized the experimental units by age into an 18-24 year old group (1), a 25-34 year old group (2), and a 35 and older group (3). She obtained the data given in the “Psychology data” JMP file. a)How many treatments are there? b)What type of factorial design is this? How many replications are there within each cell?
Which of the following statements is true about Factorial Designs? A. Interactions with up to ten factors can be readily interpreted B. No more than four factors can be included in a factorial design C. The number of factors has no bearing on the interpretation of results D. Any number of factors can be included, but interpretation of interactions is more difficult as the number of factors increases
A two-factor, independent-measures research study with 2 levels of factor A and 4 levels of factor B with n = 8 participants in each treatment condition would require a total of ______ participants. a. 56 b. 48 c. 64 d. 14
A dairy farmer thinks that the average weight gain of his cows depends on two factors: the type of grain that they are fed and the type of grass that they are fed. The dairy farmer has four different types of grain from which to choose and three different types of grass from which to choose. He would like to determine if there is a particular combination of grain and grass that would lead to the greatest weight gain on average for his cows. He randomly selects three one-year-old cows and assigns them to each of the possible combinations of grain and grass. After one year he records the weight gain for each cow (in pounds) with the following results. Is there sufficient evidence to conclude that there is a significant difference in the average weight gains among the cows for the different types of grain? Cow Weight Gain (Pounds) Grass A Grass B Grass B Grain A 359359 327327 232232 277277 250250 163163 191191 304304 216216 Grain B 331331 348348 176176 318318 205205…
A dairy farmer thinks that the average weight gain of his cows depends on two factors: the type of grain that they are fed and the type of grass that they are fed. The dairy farmer has four different types of grain from which to choose and three different types of grass from which to choose. He would like to determine if there is a particular combination of grain and grass that would lead to the greatest weight gain on average for his cows. He randomly selects three one-year-old cows and assigns them to each of the possible combinations of grain and grass. After one year he records the weight gain for each cow (in pounds) with the following results. Is there sufficient evidence to conclude that there is a significant difference in the average weight gains among the cows for the different types of grain? Cow Weight Gain (Pounds) Grass A Grass B Grass B Grain A 163163 287287 305305 267267 304304 325325 198198 348348 172172 Grain B 338338 291291 223223 286286 168168…
A researcher has student participants read and rate the persuasiveness of a campus newspaper article about raising tuition at a local university to cover the costs of upgrading the library. The article states whether the person is either for or against the tuition increase, and the is comparing students, faculty, and college staff at the university. What kind of factorial design is this? A. A 1 x 2 Factorial Design B. A 2 x 3 Factorial Design C. This is not a Factorrial Design D. A 2 x 2 Factorial Design
A doctor puts paper clips on the ears of 10 people with head colds and notes that all improve within 10 days. This experiment would benefit from (check all that apply) a) Group of answer choices b) Blinding of the sick patients c) Blinding of the doctor d) Inculsion of a Placebo Group e) A blocking factor f) Consultation with a statistician
A two-factor study is a research study that has two : a) treatment groups b)independent variables
A researcher wanted to know what factors determine a state public employee’s annual salary; especially, whether there was a gender pay gap in the state government. (coded 0 if male; coded 1 if female). Salary Gender Years Of Service Years Of Education 52,100 0 5 13 55,015 0 20 13 55,520 0 23 12 43,430 0 7 12 43,813 0 5 12 51,903 0 6 12 54,580 0 24 14 54,913 0 18 12 52,100 0 29 12 50,693 0 14 12 47,878 0 10 12 46,555 0 6 14 47,878 0 7 16 47,878 0 9 12 54,913 0 16 13 50,123 0 4 13 50,693 0 20 12 48,933 0 29 12 58,270 0 12 12 50,538 0 5 13 48,933 0 12 12 45,078 0 5 12 47,878 0 5 14 53,508 0 24 12 42,250 0 1 16 53,508 1 8 15 42,250 1 3 15 47,808 1 1 13 50,180 1 11 13 44,163 1 9 10 41,718 1 3 10 47,878 1 8 12 37,635 1 1 16 49,285 1 7 12 50,693 1 14 12 43,655 0 3 12 43,910 1 9 13 43,910 1 11 12 68,303 0 19 14 85,128 0 3 12 53,488 0 3 12 66,430 0 22 12 59,708 0 10 12 71,555 0 15 12 53,565 0 14 16…

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