Homework Help is Here – Start Your Trial Now!
Math
Statistics
The following table shows the marks gained in an arithmetic examination by 100 pupils. ne maximum possible mark was 100. 1. Complete the table. Class Interval Class Mark Class Boundary cf 1-10 11-20 21-30 4 31-40 8. 41-50 14 51 - 60 23 61 - 70 17 71-80 14 81-90 11 91-100 N = 100 2. Identify: a. i b. total frequency c. lower limit of the class interval 31- 40 d. upper boundary of the class interval 71 - 80 3. How many pupils got marks less than 70.5? 4. How many pupils got marks greater than 50.5? 5. What percent of the pupils got score lower than 61. 52

The following table shows the marks gained in an arithmetic examination by 100 pupils. ne maximum possible mark was 100. 1. Complete the table. Class Interval Class Mark Class Boundary cf 1-10 11-20 21-30 4 31-40 8. 41-50 14 51 - 60 23 61 - 70 17 71-80 14 81-90 11 91-100 N = 100 2. Identify: a. i b. total frequency c. lower limit of the class interval 31- 40 d. upper boundary of the class interval 71 - 80 3. How many pupils got marks less than 70.5? 4. How many pupils got marks greater than 50.5? 5. What percent of the pupils got score lower than 61. 52

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
See similar textbooks
icon
Related questions
Question
Answer Asap. Example was provided. Thank you
Example 4. Find the class marks, class boundaries, and cumulative frequency of the table below. Class Interval f 10 11 1 12-13 3. 14 15 3 16-17 3 18 -19 6. 20 - 21 22-23 8 24 25 26 27 28 29 6. 10 24 Solution: Class Interval Class Boundary 9.5 11.5 11.5 13.5 13.5 15.5 Class Mark cf 10-11 10.5 1 12-13 3 12.5 4. 14 15 3 14.5 7. 16 - 17 3 16.5 15.5 17.5 10 18- 19 6. 18.5 17.5 19.5 16 20- 21 6. 20.5 19.5 21.5 22 22-23 8. 22.5 21.5- 23.5 30 24-25 24.5 23.5 25.5 36 26-27 10 26.5 25.5 27.5 46 28-29 24 28.5 27.5 29.5 60
Transcribed Image Text:Example 4. Find the class marks, class boundaries, and cumulative frequency of the table below. Class Interval f 10 11 1 12-13 3. 14 15 3 16-17 3 18 -19 6. 20 - 21 22-23 8 24 25 26 27 28 29 6. 10 24 Solution: Class Interval Class Boundary 9.5 11.5 11.5 13.5 13.5 15.5 Class Mark cf 10-11 10.5 1 12-13 3 12.5 4. 14 15 3 14.5 7. 16 - 17 3 16.5 15.5 17.5 10 18- 19 6. 18.5 17.5 19.5 16 20- 21 6. 20.5 19.5 21.5 22 22-23 8. 22.5 21.5- 23.5 30 24-25 24.5 23.5 25.5 36 26-27 10 26.5 25.5 27.5 46 28-29 24 28.5 27.5 29.5 60
The following table shows the marks gained in an arithmetic examination by 100 pupils. The maximum possible mark was 100. 1. Complete the table. Class Interval f Class Mark Class Boundary cf 1-10 11-20 21-30 4. 31-40 8 41-50 14 51 -60 23 61-70 17 71-80 14 81-90 11 91-100 N = 100 2. Identify: a. i b. total frequency c. lower limit of the class interval 31- 40 d. upper boundary of the class interval 71 - 80 3. How many pupils got marks less than 70.5? 4. How many pupils got marks greater than 50.5? 5. What percent of the pupils got score lower than 61.5?
Transcribed Image Text:The following table shows the marks gained in an arithmetic examination by 100 pupils. The maximum possible mark was 100. 1. Complete the table. Class Interval f Class Mark Class Boundary cf 1-10 11-20 21-30 4. 31-40 8 41-50 14 51 -60 23 61-70 17 71-80 14 81-90 11 91-100 N = 100 2. Identify: a. i b. total frequency c. lower limit of the class interval 31- 40 d. upper boundary of the class interval 71 - 80 3. How many pupils got marks less than 70.5? 4. How many pupils got marks greater than 50.5? 5. What percent of the pupils got score lower than 61.5?
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Similar questions
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman
SEE MORE TEXTBOOKS