Scribd
Upload
51 views2 pages

MG7 Worksheet 9

This mathematics worksheet covers statistical calculations. It contains two tasks. Task 1 provides a frequency table showing test marks for 40 students and asks students to calculate the mean, median, and modal marks, as well as the fraction of students who scored less than 4. Task 2 provides a frequency table showing the number of people in 20 families and asks students to calculate the mean, median, mode, and range. The worksheet was prepared by Ms. Jansirani J and includes space for teacher feedback and signature.

Uploaded by

Jansi Jay
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
51 views2 pages

MG7 Worksheet 9

This mathematics worksheet covers statistical calculations. It contains two tasks. Task 1 provides a frequency table showing test marks for 40 students and asks students to calculate the mean, median, and modal marks, as well as the fraction of students who scored less than 4. Task 2 provides a frequency table showing the number of people in 20 families and asks students to calculate the mean, median, mode, and range. The worksheet was prepared by Ms. Jansirani J and includes space for teacher feedback and signature.

Uploaded by

Jansi Jay
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
You are on page 1/ 2

Name:……………………………… Grade: 7

Subject: Mathematic Worksheet No. 9 Date of sub: 03/09/19

Topics/Skills covered: Statistical calculations

Task 1: The frequency table shows the results of a mathematics test for 40 students.

Marks Number of students


0 2
1 1
2 4
3 3
4 5
5
6 7
7 4
8 2
9 2
10 1

a) How many students scored 5 marks? ................................... students

b) Calculate

(i) The mean mark

(ii) The median mark

(iii) The modal mark

c) Calculate the fraction of students who scored less than 4. ......................................

Prepared by Ms. Jansirani J


Task 2: The number of people in 20 families is shown in the table.

Number of people in familiy Frequency

3 3

4 9

5 5

6 2

7 1

a) Calculatethe mean number of people in a family.

b) What is the medin?

c) What is the mode?

d) Find the range.

Teachers Feedback:

Teachers Sign:

Prepared by Ms. Jansirani J

You might also like