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A researcher is interested in whether there is a preference for hair color in romantic partners among undergraduate students at UCSD. Forty total undergraduates participate in the study. The researcher randomly assigns 10 students to wear a blonde wig, 10 to wear a brown wig, 10 to wear a black wig, and 10 to wear a ginger wig. The participants wear their wig for a full quarter, and then report how many times they were asked out on a date.
However, this researcher is very old-fashioned, and records all of her data in a notebook, and does her analysis by hand with pencil. She is also clumsy and spills coffee all over her notebook, wiping out most of her records. Luckily, however, two bits of information are salvageable: SS between = 240 and SS total = 498. Yes! This is enough to do her significance test!
What is her SSwithin?
What is her between treatment degrees of freedom?
What is her within treatment degrees of freedom?
What is her MS between?
What is her MS within?
What is the F critical?
What is the observed F?
What decision do you make about the null hypothesis?
prepare a report for the dean of the college that summarizes your assessment of the nature of cheating by business
If 200 people in the city are contacted at random, what is the probability, approximately, that fewer than four of them are watching the program?
Suppose you want an 85 percent confidence level. What value would you use to multiply the standard error of the mean?
a. State the null & alternate hypotheses b. Use SPSS to construct the ANOVA table for this experiment
STAT 425 - Fall 2016 Homework. Using the swiss data set, fit a model with Fertility as the response and all of the other variables as predictors. Answer the following. Perform the Mean Shift Test with Bonferroni adjustment, using α = 0.05. Which pro..
In your answer define what an IM Framework is. Describe the 3 components of an IM Framework. Use examples to illustrate your answer.
Use the Internet to locate five different sources of data that can be used in statistical analyses. For each source: Identify the source.
Use the moving-average method to make seasonally-adjusted trend estimates for the third and fourth quarters of 2013 and the first two quarters of 2014. Assume that the cyclical and irregular forces have minimal influence on the time series. (Show d..
What is the advantage of the t test over ANOVA for a test of equal means? What are the degrees of freedom for a Chi-Square test of equal proportions?
As a consequence over the last few years, Lowe's has been on a pathway of strategic renewal that consists of a transformational journey
Ran parts and found 1% defective(1 out of 100). Made a change to the process and want to rerun parts. How many parts do we need to check (and find 0% defective) for a 90% confidence factor
Use the AFN equation to forecast the additional funds Carter will need for the coming year.
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