Theory
Mean, Median, Mode
Graphs
100

What is mean? How do we find mean?

Mean is an average. To find mean we need to add all the numbers and divide by the number а numbers

100

Mohammed took 7 maths tests and got scores of 78, 81, 81, 84, 63, 72 and 77.
What was Mohammed’s mode score?

81

100

What type of graph is it?

Bar graph

200

What is mode?

Mode is the most common number in the data set

200

What is the median of these numbers:

3.1, 3.5, 3.0, 3.6, 3.2?

3.2

200

Given that there are 36 yellow roses. How many roses are there all together?

300

300

What is the difference between a bar chart and a histogram?

Bar charts are bars of different hight that are used to present discrete information. Histograms are bars of different hight that are used to present continuous data

300

The mean average of three numbers is 6.
Two of the numbers are 5 and 7.
What is the third number?

6

300

What is the frequency density of the second class interval?

     

5