A number is divisible by 3 if the sum of its digits is divisible by ….

 The median

change when you deleted the extreme value.

What is the mean of the heights of the learners? Write only the number.

What is the modal height? Write only the number

What is the median of the heights? Write only the number.       

Delete one extreme value of

the data and recalculate the mean of the data

to one decimal place. What do you notice about the original mean and the

new mean? Write as follows: Decreased when ... is deleted Or Increased when ... is deleted.

The input answer must be typed exactly as the following options: Choose only one option. Where there are dots, you must insert the number. 

Option 1:  Decreased when.... is deleted. 

Option 2: Increased .... is deleted. 

What is the maximum height? Write only the number.

How many learners were involved? Write only the number

Identify extreme values of

the data.

According to

Vygotsky, what is the name of the stage in which learners can do mathematics

assisted but not on their own?