. A survey was conducted to 100 students to determine how much time they spend for studying before taking a major examination. The observations are between 90 and 270 minutes. How many classes will you recommend? What is the class interval?
. A survey was conducted to 100 students to determine how much time they spend for studying before taking a major examination. The observations are between 90 and 270 minutes. How many classes will you recommend? What is the class interval?
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter7: Applying Fractions
Section7.1: Ratios
Problem 25WE
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answer the following quaries
4. A survey was conducted to 100 students to determine how much time they spend for studying before taking a major examination. The observations are between 90 and 270 minutes. How many classes will you recommend? What is the class interval?
5. A sari-sari storeowner monitors his daily sales for a period of 30 days. The following are his daily sales:
560 960 260 900 700 1020
370 940 340 400 795 240
200 390 100 500 890 900
250 450 1010 650 800 450
250 450 890 695 749 360
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