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A political science department surveyed those graduating in the major to see whether they were going to graduate school in the same proportions as those from similar colleges. They reported their conclusion as follows: "compared to those from similar colleges, far fewer of our students are going on to graduate school in political science, more of our students are going on to graduate school in other fields, and fewer of our students are not going on to graduate school at all:
X2 (2, N= 275) = 13.24, p<0.01
Explain this result.
make a decision about the given claims. use only the rare event rule stated in section 8-2 and make subjective
Make use of Excel to determine the right-tail p-value.
there are 1000 students in the senior class at a certain high school. the high school offers two advanced placement
representatives of the franklin insurance company take medical information over the phone from prospective policy
Suppose that the mean of the annual return for common stocks from 2000 to 2012 was 8.5%, and the standard deviation of the annual return was 25.2%.
1. Testing the null hypothesis that the slope of the true regression line equals zero is equivalent to testing whether the true coefficient of correlation could be zero. Why?
We want to test the hypothesis that population B has a smaller variance than population A.
Tthe amount is approximately normally distributed with a mean of 16 and a standard deviation of 1.5. What percent of the cups will have 15 oz or fewer?
Estimate the relative risk of neurological impairment for children exposed to secondary smoking, and calculate a 95% con?dence interval for this risk.
john beale of stanford ca recorded the speeds of cars driving past his house where the speed limit read 20 mph. the
1. you work at a bank and are asked to recommend the amount of cash to put in an atm each day. you dont want to put in
A market analyst for the Weber Refrigerator Company has visited various appliance stores in a city to get data on the selling price of different brands of refrigerators. Estimate the population regression equation and interpret the result
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