After correcting HW on differentiating by first principles we introduced how to differentiate by rule. We also met the addition rule the product rule and the quotient rules.
Today Mock Paper 1 was returned corrected. In class we worked through solutions to the first 5 questions.
It is important to be able to use your calculator to get the mean, standard deviation and the correlation coefficient.
Statistics on the Casio calculator (click here)
Note that frequency needs to be turned on.
Standard deviation involves 1-variable so choose 1-VAR
Correlation involves 2-variables so choose 2-VAR
Statistics on the sharp calculator (click here)
T&T5 gives instructions on how to use the older Casio calculator to get the Standard Deviation on page 73 (as below)