GCSE Maths Practice: averages

Question 11 of 13

Find the new mean after adding numbers to the dataset.

\( \begin{array}{l}\text{The mean of 8 numbers is 5. Two more numbers, 6 and 4, are added. Find the new mean.}\end{array} \)

Choose one option:

Keep track of original total carefully before adding new values.

Use formula: new mean = (original total + new numbers)/total count.