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18. What is the class mark of the class interval 38 - 40? a. 38 b.39 C. 40 19. The variance of the weights of the Grade 7 students is a. 11.02 b.10.06 c. 9.21 d. 40.5 ? d. 9.10

18. What is the class mark of the class interval 38 - 40? a. 38 b.39 C. 40 19. The variance of the weights of the Grade 7 students is a. 11.02 b.10.06 c. 9.21 d. 40.5 ? d. 9.10

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Below is the frequency distribution of the recorded weights in kilograms of the Grade 7 students at a certain high school in Pangasinan. Weights (Kg) Frequency 44-46 4 41-43 13 38-40 16 35-37 9 32-34 3 18. What is the class mark of the class interval 38 - 40? a. 38 b.39 c. 40 19. The variance of the weights of the Grade 7 students is a. 11.02 b.10.06 c. 9.21 d. 40.5 ? d. 9.10
Transcribed Image Text:Below is the frequency distribution of the recorded weights in kilograms of the Grade 7 students at a certain high school in Pangasinan. Weights (Kg) Frequency 44-46 4 41-43 13 38-40 16 35-37 9 32-34 3 18. What is the class mark of the class interval 38 - 40? a. 38 b.39 c. 40 19. The variance of the weights of the Grade 7 students is a. 11.02 b.10.06 c. 9.21 d. 40.5 ? d. 9.10
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