Data Collection and Presentation - JSS1 Mathematics Past Questions and Answers - page 2

In a bar chart representing the sales of fruits:

Apples: 50 units

Oranges: 30 units

Bananas: 40 units

How many units were sold in total?

The temperature over a week was recorded as follows (in °C):

Monday: 20

Tuesday: 22

Wednesday: 25

Thursday: 24

Friday: 23

What was the average temperature over the week?

A frequency table shows the number of cars passing a point each hour:

Time (hours)      Frequency

8-9                    20

9-10                   25

10-11                  15

11-12                  30

How many cars passed from 8 AM to 11 AM?      

Calculate the median of the following set of numbers:

7, 3, 8, 2, 9, 4, 6, 1

Identify the mode from the following set of numbers:

5, 7, 3, 8, 5, 2, 5, 9, 4, 6, 1

The number of visitors to a museum was recorded over 5 days:

Day 1: 100 visitors

Day 2: 120 visitors

Day 3: 90 visitors

Day 4: 110 visitors

Day 5: 130 visitors

What was the total number of visitors over these 5 days?