The number of hours of computer usage in a day of a random sample of 20students was recorded as follows.2.53.22.51.56.13.5113.2.5112.54.54Determine the value of each measure.[ Choose ]meanvariance[Choose ]standard deviation[ Choose ]3.3.2. V [Choose ]0.30401.35971.84872.635

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A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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The number of hours of computer usage in a day of a random sample of 20 students was recorded as follows. 2.5 3.2 2.5 1.5 6 1 3.5 3 1 1 4 2 2.5 1 1 2.5 4.5 4 Determine the value of each measure. [ Choose ] mean variance [ Choose ] standard deviation [Choose ]