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In a regression analysis, the sum of the squared deviations between y and y-bar is SST = 200.0. If the sum of the squared deviations about the regression line is SSE + 40.0, what is the coefficient of determination?
A certain state lottery awards 418 prizes; 28-$200 prizes, 120-$25 prizes and 270-$20 prizes, for every 10,000 tickets sold.
Find out the p-value associated with test of hypothesis you conducted?
At the .01 significance level, is there a relationship between job pressure and age?
Here is a simple probability model for multiple-choice tests. Assume that each student has probability p of correctly answering the question chosen at random from universe of possible questions.
Suppose we have the following information from a single regression: What is the coefficient of determination? What is the correlation coefficient?
Given what you've learned in this module about the meaning of "statistics", choose one of the examples from Part I (A-F), and raise a relevant question of your own that could be answered by a statistician.
What is an example of a normal distribution? please articulate what the example is (post the graph, picture of the graph, etc); discuss what the normal distribution means for this example, and how the graph is being used to articulate the problem.
As part of their application for a loan to buy Lakeside Farm, a property they hope to develop as a bed-and-breakfast operation, the prospective owners have projected:
Based on these results, the proportion of the variation in 1993 winnings that is explained by the average number of putts per round and driving distance
Conduct post hoc comparisons with the LSD method. Which groups differ significantly at α = 0.05?
Critically the difference between Paramaeter and Statistics and Critically discuss the concept of operationalize? What are focus groups
The mean of a set of 7 numbers is 13. What is the sum of the numbers? Find the mode of the following test scores: 89, 78, 91, 82, 75, 89, 84, 95, 89, 93
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