Scores of students in a 50- 1. What is the lower class boundary item Math test for the interval 31 – 35? Scores Frequency (f) 2. What is the total frequency of the 11 – 15 1 given data? 16 – 20 - 21 – 25 4 3. What should be the value of less 26 – 30 3 - 31 – 35 7 than cumulative frequency to be used 36 – 40 10 if kth decile falls under class interval 41 – 45 36 – 40? 46 – 50 3

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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A. Use the frequency distribution below to answer the following
questions.
1. What is the lower class boundary
Scores of students in a 50-
item Math test
for the interval 31 – 35?
Scores Frequency (f)
2. What is the total frequency of the
11 – 15
1
given data?
16 – 20
21 – 25
4
-
3. What should be the value of less
26 – 30
31 – 35
7
than cumulative frequency to be used
36 – 40
10
if kth decile falls under class interval
41 – 45
9.
36 – 40?
46 – 50
3
4. In what class interval does 3rd
quartile belongs?
5. What class interval should be used
to get the 55th percentile?
Transcribed Image Text:A. Use the frequency distribution below to answer the following questions. 1. What is the lower class boundary Scores of students in a 50- item Math test for the interval 31 – 35? Scores Frequency (f) 2. What is the total frequency of the 11 – 15 1 given data? 16 – 20 21 – 25 4 - 3. What should be the value of less 26 – 30 31 – 35 7 than cumulative frequency to be used 36 – 40 10 if kth decile falls under class interval 41 – 45 9. 36 – 40? 46 – 50 3 4. In what class interval does 3rd quartile belongs? 5. What class interval should be used to get the 55th percentile?
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