(1.2) Part C : Calculating Mean and Standard Deviation using Calculator.

For this section, we will learn how to calculate the mean and standard deviation using the calculator.

Get your calculators ready:

For Sharp Model calculators follow the instructions on the image below on page 11 of your textbook:


Alternatively you can watch the videos below and follow the instructions,

For Casio Calculators watch this video :



For Sharp Calculators watch this video:




Now let's try an example of finding standard deviation of (Unclassified) grouped data from this video :

Now for an example on classified grouped data :

In your E.Maths Exercise Book 1 , please do the following questions from Ex 1.2 using only your calculator:

Qn 4, 5, 6 and 7 as shown in the images below :

Prepare to hand in your E.Maths Book 1 on Wednesday !!

Oh by the way watch this for fun... Cool !!!