Suppose that you want to compare the means of several treatments in a randomized block ANOVA. If given the choice between using the randomized block ANOVA test and the Friedman test, which one would you choose if outliers occur in the sample data? Explain your answer.

Q: Why would we want to use three separate tests instead of ANOVA?

A: Why would we want to use three separate tests instead of ANOVA?

Q: If the estimated power of a significance test is 0.6, it means that

A: The power of a significance test is basically the probability of not making type 2 error. The type 2…

Q: Consider studies designed to compare the occurrence of a binary outcome between two populations:…

A: The description between the relative risk (RR) and the odds ratio (OR)

Q: A college department pilots a New program with 9 of its 20 students and compares income in each…

A: The following data is provided:  New  Old 144 98 18 64 45 80 70 23 341 0 66 11 34…

Q: Explain the Potential Outcomes and the Average Causal Effect of using randomized controlled…

A: A potential outcome is the outcome for an individual under a potential treatment. And the casual…

Q: Suppose you are using a completely randomized design to study some phenomenon. There are three…

A: It is given that the number of treatment levels is 3 and a total number of people in the study 36.

Q: It was studied in the past that 38% of all adults favored death penalty. Do we have reason to…

A:

Q: What is H0 for a one-way ANOVA? If H0 is rejected, does that imply that each mean is significantly…

A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will…

Q: Provide an example of a study in which an independent measures ANOVA would be warranted ?

A: Introduction: The ANOVA or analysis of variance is a parametric method of hypothesis testing,…

Q: Explain why it is sometimes preferable to employ a randomized block design instead of a completely…

A: In a randomized block design, the experimental units are first divided into homogeneous sub-groups…

Q: have the same sample means but different confidence intervals. What are the implications for Dr.…

A: Dr. Richard's research study includes 3 fertilizers used for crop Fertilizer Mean, Crop Yield…

Q: Which is the most striking feature of a two-factor ANOVA?

A:

Q: What does it mean if the cases are not selected randomly but are assigned randomly to groups?

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Suppose we want to test whether there is a difference between the room rates of luxury hotels in New…

A: It is given that 20 random luxury hotels in new York and 30 random luxury hotels in L.A.

Q: researcher is using a one-way ANOVA to see whether a significant difference can be found between 3…

A: Given that  A researcher is using a one-way ANOVA  Claim : whether a significant difference can be…

Q: Should post-hoc tests

A: 1a) A post hoc test is then used only if H0 (the null hypothesis) is rejected to determine which…

Q: A new vegetable fertilizer is to be tested at two different levels (regular concentration and double…

A: This question is about designing an experiment to test the effectiveness of a new vegetable…

Q: You conduct a one-way ANOVA with 7 groups (or populations). At 0.01 significance level, you find at…

A: Given:

Q: Answer the question and NO SOLUTION needed,  Does this study meet the assumptions for using one-way…

A: The ANOVA is used to make test whether there is any mean significant relationship between the more…

Q: A clinical psychologist studies the effects of tonsillectomy and adenoidectomy on aggressive…

A: It is provided that there are three groups for which the number of observations in each group are nA…

Q: If the null hypothesis is rejected for a One-Way ANOVA, then what test should you conduct?

A: If the null hypothesis is rejected for a One-Way ANOVA, then it means that the means of all groups…

Q: What is the Two-Factor ANOVA which is in one set of possible outcomes for the two-factor study?

A:

Q: Why would a researcher choose to conduct an One-Way ANOVA rather than multiple independent samples…

A: Solution-: Why would a researcher choose to conduct an One-Way ANOVA rather than multiple…

Q: for a Two-Way ANOVA, the degrees of freedom for blocks is 17, what is the corresponding number of…

A: Here's, we know that number of blocks in two way anova is ( m - 1 ).

Q: In a random sample of 315 people 90 of them were smokers. Based on the above sample test whether the…

A:

Q: Consider a completely randomized design with four treatments A, B, C, and D, and an unbalanced…

A: In the given situation, There are 4 groups. Total number of observations is, n=9+12+7+6=34 Let…

Q: A doctor would like to estimate the mean difference in the number of hours of sleep for seniors in…

A: Random sample of 50 high school seniors  Random sample of 50 seniors from the colleges in his county…

Q: Random samples of 110 homes in Kingston, Ontario (₁) and 100 homes in Owen Sound, Ontario (1₂) were…

A: sample size of homes in kingston(n1)=110sample size of homes in Owen sound(n2)=100presence of…

Q: How does a repeated-measures ANOVA differ from an independent ANOVA?

A: In independent ANOVA we have two or more groups which are independent from each other and then we…

Q: If a hypothesis is true and the difference between the control group and the experimental group is…

A: Based on the concept, If a hypothesis is true and the difference between the control group and the…

Q: What is the purpose of the Z-Test for 2 Un-Paired Populations?  How would you apply this type of…

A: A z-test is a statistical test to determine whether two population means are different when the…

Q: You conduct a one-way ANOVA with 12 groups (or populations). At 0.05 significance level, you find…

A: Given :

Q: You want to examine the effect of social media exposure (in hours) to people's mental health. Mental…

A:

Q: What test would be best to use if there was a statistical difference between brands in an…

A: ANOVA : - It is statistical technique to measure the difference in mean between more than 2 groups.…

Q: What is the benefit of using a factorial design over multiple one-way ANOVAs?

A: step 1: The  factorial designs is an experiment in which different factors at different levels are…

Q: A researcher would use a one-way between-groups ANOVA to test a hypothesis about levels of…

A: ANOVA is a inferential method which is used to test the equality of three or more types of…

Q: Justify when and why we should use the Kolmogorov-Smirnov test to statistically analyze data in…

A: Please find the explanation below. Thank you

Q: Women who are obese suffer social and economic consequences, a new study has shown. They are 20%…

A: We are given one scenario: Women who are obese suffer social and economic consequences, a new study…

Q: A researcher is studying whether average GPA is dependent on whether the students are in a 2-year…

A: Given statement: A researcher is studying whether average GPA is dependent on whether the students…

Q: A researcher would use a one-way within-groups ANOVA to test a hypothesis about levels of depression…

A: Given question is about identifying type of ANOVA design for analysing difference b/w three groups…