homogeneity of variance assumption states that---?  the groups have approximately equal variance  the two sample comes from the same population  the same subjects does not participate in multiple condition  variance must stay constant for each subject in the experiment

Q: If an analysis of variance produces a value of F = 1.00, then all the samples have the same mean.…

A: We know that- The value of F is the ratio of two mean squares. When the value of F = 1, then there…

Q: The f-statistics is the variance between groups divided by the variance within groups. True False…

A: The F statistic is defined as the ratio of the two sample variances.

Q: Nintendo Sony would like to test the hypothesis that a difference exists in the average age of users…

A: It is noticed that there are three console games and each group with five observations.

Q: ANOVA is a one-tailed test and we are concerned only with those outcomes in which there is more…

A: Based on the concept of ANOVA, there is more variance between categories than within categories.

Q: There are four numbers in a data set. They are 4, 6, 8, and 11. c) The formula for the sample…

A: Number of samples (n) = 4

Q: Show that if a one-way analysis of variance is performed on the ranks of the observations instead of…

A: Ranking the Data-  In the Kruskal-Wallis test, the original data is ranked across all groups. Each…

Q: A school is sending 15 children to a camp. If 30% of the children in the school are first graders,…

A: The question is about binomial distribution Given : Randomly selected no. of children ( n ) = 15…

Q: A researcher has collected the following sample data: 3, 5, 12, 3, 2. The mean of the sample is 5.…

A:

Q: A researcher is trying to determine if racial background affects income. In a sample of 100 people,…

A: From the above data What proportion of the variance in income can be explained by racial background…

Q: Assume that you have a binomial experiment with p = 0.4 and a sample size of 120. What is the…

A: Given that, From binomial experiment, Probability, p = 0.4 Sample size, n = 120

Q: In analysis of variance, an MS value is a measure of the total variability for the set of N scores O…

A: Hi! Thank you for the question. Since there are multiple questions, as per the honor code the first…

Q: What is the difference between t-Test: Two-Sample Assuming Unequal Variances and t-Test:…

A: Assumptions about t -test : i. The random variable x follows normal distribution or the sample is…

Q: The r2represents the shared variance between a predictor and _______

A:

Q: What conditions are necessary in order to use the dependent samples t​-test for the mean of the…

A: Necessary conditions for dependent samples in t-test, and for the difference in the means of two…

Q: Compute the sample variance for y = {2,26,24,40,-12,-6,10,28}

A:

Q: One sample has n=7 and SS=35 and a second sample has n =17 and SS =45. What is the pooled variance…

A: Given information: The two sample statistics is given as, Sample 1 n1=7SS1 = 35 Sample 2 n2 = 17SS2…

Q: You are testing the claim that having lights on at night increases weight gain (abstract). A sample…

A: n1=10n2=8level of significance=6% here hypothesis is givenH0:μ1=μ2   Vs.  Ha:μ1>μ2

Q: A medical researcher wants to test whether the mean cholesterol levels are the same for 3 treatment…

A: Let MST and SST denotes the mean sum of squares of treatments and sum of squares of treatments…

Q: A medical researcher wants to test whether the mean cholesterol levels are the same for 3 treatment…

A: a) Number of treatments, k = 3 Calculate the degree of freedom for the treatment groups.

Q: the population variances are known the population variances are unknown, but assumed to be equal the…

A: The z distribution is used to compare the means of two samples to see if it is feasible that they…

Q: A researcher wants to measure average cardiovascular health of university students and compare those…

A: Solution: The researchers are interested in measure the average cardiovascular health of university…