Attempt the question below: Mean, Interquartile Range & Variance The marks obtained out of 25 by 30 students of a class in the examination are given below. 20, 6, 23, 19, 9, 14, 15, 3, 1, 12, 10, 20, 13, 3, 17, 10, 11, 6, 21, 9, 6, 10, 9, 4, 5, 1, 5, 11, 7, 24 (A) Represent the above data as a grouped frequency distribution table, taking the class intervals as 0 - 5, 6 – 11, 12 – 16 and so on. (B) Calculate: i. The median score ii. The variance and standard deviation and give an interpretation.

Attempt the question below: Mean, Interquartile Range & Variance The marks obtained out of 25 by 30 students of a class in the examination are given below. 20, 6, 23, 19, 9, 14, 15, 3, 1, 12, 10, 20, 13, 3, 17, 10, 11, 6, 21, 9, 6, 10, 9, 4, 5, 1, 5, 11, 7, 24 (A) Represent the above data as a grouped frequency distribution table, taking the class intervals as 0 - 5, 6 – 11, 12 – 16 and so on. (B) Calculate: i. The median score ii. The variance and standard deviation and give an interpretation.

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

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 19PFA

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