4. In order to find the mean for grouped data, it is necessary to: a) Find the sum of the frequency multiplied by the class mid-point for each class interval, then divide by the total frequency b) Find the sum of the frequency multiplied by the class upper boundary for each class interval, then divide by the total frequency c) Find the sum of the frequency multiplied by the class lower-boundary for each class interval, then divide by the total frequency d) Find the sum of the frequency multiplied by the class mid-point for each class interval, then divide by sum of the class mid-points.
4. In order to find the mean for grouped data, it is necessary to: a) Find the sum of the frequency multiplied by the class mid-point for each class interval, then divide by the total frequency b) Find the sum of the frequency multiplied by the class upper boundary for each class interval, then divide by the total frequency c) Find the sum of the frequency multiplied by the class lower-boundary for each class interval, then divide by the total frequency d) Find the sum of the frequency multiplied by the class mid-point for each class interval, then divide by sum of the class mid-points.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 8MCQ
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