Two small separate between-subjects design experiments were performed and theirmeans are given in the tables below. Note that by coincidence these are identical betweenexperiments. However, when statistical tests were performed (single factor between-subjects ANOVA) it was found that one pair of differences was significant but not the other.MeanExperiment 1Level A1 Level A22015Significance(ANOVA)p> .05 NSMeanExperiment 2Level A1 Level A22015Significance(ANOVA)p<.05 sigBriefly suggest and comment upon the possible reasons why, for a between-subjects design, identical pairs of means can have a significant difference in oneinstance, but a non-significant difference in another. Relate these suggestions tothe two experiments shown here.Assume that the statistical tests were performed correctly.

Given information: Experiment 1 Experiment 2 Level A1 Level A2 Significance (ANOVA)…

Answered: Two small separate between-subjects…

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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QUESTION 3 Significance level (a) aims to control which type(s) of error? O Type I error O Type Il error O Type I and Type II error O Significance level is not related to controlling for error. QUESTION 4 forror?
If there is an overall significant F in a one way ANOVA, can we conclude that the group membership or treatment variable caused the observed differences in the group means? Why or Why not?
Why do we conduct a post hoc analysis in ANOVA? to make a comparison of individual adjuster R-square to make a comparison of the group means to make a comparison of individual unadjusted R-square none of the above
A study of zinc-deficient mothers was conducted to determine effects on zinc supplementationduring pregnancy. Statistics of sample data are listed in Table 1. The weights were measured ingrams. Using a 0.05 significance level, is there sufficient evidence to support the claim that thevariation of birth weights for the placebo population is less than the variation for the populationtreated with zinc supplements? zinc supplement group placebo group n1=10 n2=15 mean 1=3214 mean 2=3088 s1=669 s2=728
In a two-factor ANOVA, one can perform three tests. Which of the following is incorrect about these tests? Group of answer choices a. F-statistic value can vary from one test to another. b. The MST can vary from one test to another. c. The MSE can vary from one test to another. d. The critical value can vary from one test to another.
Distinguish between the following: ANOVA and Multiple Regression Outliers vs Influencers
This research was conducted with Korean adolescents in the Los Angeles area. Would you be willing to generalize the results of this study to Korean adolescents who live in other regions of the country? Why or why not.
An analysis of restaurant rating is being undertaken. A sample of restaurants was selected and rating levels (one to five stars) were recorded along with other basic characteristics such as type of food (eg, French, Italian, Asian Fusion, Rotisserie Grill, etc.), average cost of a meal, location, seating capacity etc. The goal was to assess differences in ratings given to restaurants with various business - oriented covariates. Briefly discuss what type of model you would use and why.
On a particular proposal of national importance, males and females cast votes as included in the following table In Favor Opposed Undecided Male 90 65 43 Female 115 74 32 Suggest an appropriate test for the data and analyze it at 1% level of significance.
please answer quickly
Discuss the relationship between t-tests and ANOVA. Why is ANOVA preferred to multiple (4) t-tests when testing for differences between more than two groups?
What is the power of a study using a correlation, with a one-tailed test at the .05 significance level, in which the researchers predict a large effect size and there are 50 participants? How many participants do you need for 80% power in a planned study in which you predict a small effect size and will be using a correlation, one-tailed, at the .05 significance level?

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