The ages of students in a small primary school were recorded in the table below.
Estimate the mean
Estimate the median.
The graph above depicts the performance ratings of two sports teams A and B in five different seasons
In the last five seasons, what was the difference in the average performance ratings between Team B and Team A?
Which of the following is a measure of central tendency?
Calculate the standard deviation of the following scores 5, 4, 6, 7, and 8
