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The Excite Poll can be found online at . The question appears on the screen, and you simply click buttons to vote "Yes," "No," or "Not sure." On January 25, 2000, the question was "Should female athletes be paid the same as men for the work they do?" In all, 13,147 respondents (44%) said "Yes," another 15,182 (50%) said "No," and the remaining 1448 said "Don't know."
(a) What is the sample size for this poll?
(b) That's a much larger sample than standard sample surveys. In spite of this, we can't trust the result to give good information about any clearly defined population. Why?
Find the values of the correlation coefficient and the coefficient of determination. Find the slope, y-intercept, and equation of the regression line for the data. Plot the points and a graph of the regression line on the same axes.
Multiple choice questions based on regression - multiple coefficient of determination
By using the results in (a), construct a boxplot. Indicate clearly on the boxplot the five-number summary. Are the data skewed? If so, describe its skewness.
a company that bakes chocolate chip cookies averages 5.2 chocolate chips per cookie. assume that the number of
suppose that y1 y2 y3 and y4 have a multinomial distribution with n trials and probabilities p1 p2 p3 and p4 for the
a sample of 21 of 180 funded projects revealed that 19 were valued at 17680 each and 2 were valued at 20320 each. from
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what is the final conclusion obtained when testing the claim that p gt 0.25 given that the p-value is 0.5555?p lt
at a local fast-food joint cars arrive randomly at a rate of 12 every 30 minutes. it takes an average of 2 minutes to
Five digit random numbers (e.g.; 601, 022, 448...), determine the first four elements that will be selected for the simple random sample.
Problem 1: An insurance company estimates the probability of an earthquake in the next year to be 0.0013. The average damage did by an earthquake it estimates to be $60,000. If the company offers earthquake insurance for $100, what is the insuranc..
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