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In Module 4, we considered Mary's interest in doing a study to see if learning of 6th graders on a math lesson is affected by background noise level. There, she was planning to use 2 noise conditions and then analyze her outcomes using a t-test for independent groups. Describe the study Mary might plan where she would use a one-way analysis of variance (ANOVA) for independent groups instead of a t-test to study differences between noise levels. What is her independent variable here? Describe the conditions she could create for this study. What is her dependent variable? Describe a way to measure the DV so that each participant would have one score at the end that would be on a continuous scale of measurement. Support your responses.
Suppose that a claim is made that the average billionaire is 60 years old or younger.The following is a random sample of billionaires. Conduct the test using the 0.05 level of significance.
we have an urn with three green balls and two yellow balls. we pick a sample of two without replacement and put these
Is there evidence to suggest a difference in the mean waiting times at the four body shops? Use the .05 significance level.
a sample of n 16 individuals is selected from a normal population with a mean of micro 48 and a standard deviation of
consider an experiment in which our sample space is s1234567.also e1124 e223456 e37. describe the outcomes in each one
consider a poisson probability distribution in a process with an average of 3 flaws every 100 feet. find the
1. a person can order a new car with a choice of five possible colors without air conditioning and with or without
a newspaper in a large midwestern city reported that the national association of realtors said that the mean home price
how many main effects and interactions could you have in a 4 x 6 factorial
in a study of pregnant women and their ability to correctly predict the sex of their baby 57 of the pregnant women had
Another location if it meant a substantial promotion. Based on these findings, write a brief note to management regarding all executives in the firm.
suppose that prices of a certain model of new homes are normally distributed with a mean of 150000. find the percentage
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