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Why is a low response rate of concern in survey research? Why is response bias of concern? Which is a more serious threat to survey results and generalization--low response rates or response biases? Why?
Statistics and Probability, Statistics
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What is the algebraic equation for the coefficient fo variations?
I. A statistics instructor wants to measure the effectiveness of his teaching skills in a class of 66 students ( N = 66). He selects students by waiting at the door to the classroom prior to his lecture and pulling asid ...
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Let X be a normally distributed random variable with μ = 100 and σ = 10. Find the probability that X is between 80 and 105. (Round your answer to the nearest whole number percent and include the percent symbol.)
On Valentine's Day the Quiet Nook restaurant offers a Lucky Lovers Special that could save couples money on their romantic dinners. When the waiter brings the check he also brings a scratch-off ticket that the couple ...
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