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In the linear regression equation, Yi=35.0+3Xi, which of the following interpretation is correct, here X is the number of hours a student studies and Y is the final exam score
A. if the student does not do any studies, his predicted final exam score is 35.0
B. if the student does not do any studies, his predicted final exam score is 3.0
C. both of the first two statements are correct
D. neither of the first statements are correct
statistics released by the national highway safety administration show that on an average weekend night in urban areas
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weekly commodity prices for heating oil in cents were obtained for a period of 30 weeks and regresses against time.
A poll of 1,068 adult Americans reveals that 52% of the voters surveyed prefer the Democratic candidate for the presidency. At the 0.05 significance level, test the claim that more than half of all voters prefer the Democrat.
find the area under the standard normal curve for the followinga pz gt 1.15b p0 lt z lt 1.58c p-1.06 lt z lt
Using the finite population correction factor, compute the standard error for each of the three firms given a sample of size 50.
each student in a class of 80 rolls 8 dice in order to perform inference about the mean of all dice rolls which happens
a fair six-sided die with numbers 123456 is rolled independently 500 times. approximate the probability that the sum is
A state meat inspector in Iowa has been given the assignment of estimating the mean net weight of packages of ground chuck labeled “3 pounds.” Of course, he realizes that the weights cannot be precisely 3 pounds. A sample of 36 packages reveals the m..
looking at research conducted comparing salaries of state employees from city employees.a. should a t - test be used
major league baseball mlb uses a best of 7 series to determine the winner for the finals the winner must win 4 games.
A standard deviation of 7.3 years. What is the 95% confidence interval estimate for the average number of years served by all Supreme Court justices?
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