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Assume that 5% of men and only .25% of women are colorblind. A colorblind person is chosen at random:
(a) If the population consisted of equal # of males and females. Find the probability of the person being male.
(b) If the population consisted of twice as many males as females, answer the same question.
In this problem set you will get some practice performing a linear regression analysis. If you use Statdisk or Excel to perform any portion of these analyses, please include the results, label them, and refer to them accordingly in your interpreta..
The variance of the return per share is 4 for stock 1 and 100 for stock 2. The covariance of the return between the two stocks is 5 per share. Use the total variance of the investment as investment risk.
Compute the within group variability. Do you require any post hoc testing? Why or why not? Decribe in detail.
Find or create a data set that would allow you to explain what is meant by mean, median and mode. Make sure to also show any calculations or formula necessary. Describe or provide as much information on the data set as possible.
When the purpose of sampling is to detect when a process becomes too variable the chart of choice will be a c-chart?
A study sponsored by American Express Co. and the French government tourist office found that old American stereotypes about French unfriendliness weren't true.
The number of degrees of freedom for the appropriate chi-square distribution in a test of independence is:
What additional strategies (up to 3) you would propose that may increase validity of the findings.
Determine equation in point-intercept form for line that goes through points (8,-1) and (4,3).
Prepare a paper examining a regression analysis on your collected data. Begin by describing the research issue, problem, or opportunity and the accompanying data. Then, perform a regression analysis on your data.
When computing a t-test, it is important to distinguish between directional and nondirectional hypotheses as the direction will determine the rejection regions. Describe how the rejection regions would differ according to the type of hypothesis yo..
Assume you were in charge of advertising for an automotive dealership when the gas prices increased to $6 per gallon. Most of your cars are fuel-efficient, but you have two models that have extremely poor fuel economy
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