Answered: Ten students took their practical exam…

Ten students took their practical exam in Science. Out of 50 items ,they obtained the following scores 44 ,49 42 , 25 , 29 , 21 , 39 , 40, 47 , 45 . What is the variance of their scores ?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.5: Comparing Sets Of Data

Problem 4CYU

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Question

Ten students took their practical exam in Science. Out of 50 items ,they obtained the following scores 44 ,49 42 , 25 , 29 , 21 , 39 , 40, 47 , 45 . What is the variance of their scores ?

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