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Solution Library
Calculation Of Standard Deviation And Chebyshev’s Theorem Application
Question
1. According to a survey of the top 10 employers in a major city in the Midwest, a worker spends an average of 413 minutes a day on the job. Suppose the standard deviation is 26.8 minutes and the time spent is approximately a normal distribution. What are the times that approximately 99.73% of all workers will fall?
A. [387.5 438.5]
B. [386.2 439.8]
C. [372.8 453.2]
D. [359.4 466.6]
E. [332.6 493.4]
2. When using the Chebyshev's theorem to obtain the bounds for a 99.73 percent of the values in a population, the interval generally will be ___________ the interval obtained for the same percentage if normal distribution is assumed (empirical rule).
A. Shorter than
B. Wider than
C. The same as
D. A Subset of
Summary
These multiple choice questions belong to Statistics and they discuss about calculation of standard deviation and Chebyshev’s theorem.
Total Word Count 4
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