1. Answer what is asked for in the following problems: a. A set of data has 50 observations. How many classes would you recommend? b. A set of data consists of 150 observations. How many classes will you recommend? C. In a set 60 observations between 20 and 70, how many classes will you recommend? What is the class interval?

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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1. Answer what is asked for in the
following problems:
a. A set of data has 50 observations.
How many classes would you
recommend?
b. A set of data consists of 150
observations. How many classes will
you recommend?
C. In a set 60 observations between 20
and 70, how many classes will you
recommend? What is the class
interval?
d. 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?
e. 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
Transcribed Image Text:1. Answer what is asked for in the following problems: a. A set of data has 50 observations. How many classes would you recommend? b. A set of data consists of 150 observations. How many classes will you recommend? C. In a set 60 observations between 20 and 70, how many classes will you recommend? What is the class interval? d. 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? e. 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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