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1). 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.
2). Consider Mary's study of whether the learning of 6th graders on a math lesson is affected by background noise level. Describe the pros and cons of Mary using a repeated measures design for this study. What would you probably choose to do? Support your responses.
Describe a circumstance when the mean is a very useful measure and a circumstance when it is misleading
A coin is biased such that a head is three times as likely to occur as a tail. Find the expected number of tails when the coin is tossed twice
Using regression as the procedure, produce the forecast of weekly sales for the periods Jan 27, 2014 through Jan 19, 2015 - show a graph of the historical and forecasted sales in one graph
In its third year, the Liberty Football League averaged 16,050 fans per game, with a standard deviation of 2,050 fans. According to these data, a. What is the probability that the number of fans at any given game was greater than 20,000?
Examine the relationship between Traced by MedicalAid. Is there evidence that whether or not a child was traced is independent of whether the mother had medical aid
Construct a scatter plot, using sales as the dependent variable and median family income as the independent variable. Discuss the scatter plot.
Water specimens contain nitrates, a solution that is dropped into the water will cause the specimen to turn red 95% of the time. When used on water specimens without nitrates, the solution turns the water red 10% of the time. Past experience in the l..
Find the correlation between ANCA and the clinical manifestations - Please describe which tests you used and write a short narration to explain the results.
a study was conducted to determine the impact of social media use on student learning. a total of 103 students taking a
Conduct a hypothesis test to determine if chewing gum makes you less accurate while target shooting. Each of the following participants shot at a target (maximum score of 100) while chewing gum and without. Assume that all conditions of the test ha..
Compute the sample mean and compute the sample variance and sample standard deviation - What is the average miles per gallon for city driving?
A study of college football games shows that the number of holding penalties assessed has a mean of 2.3 penalties per game and a standard deviation of penalties per 1.1 game. What is the probability that, for a sample of 40 college games to be played..
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