6. Central Tendency
Range and measures of
central tendency (mean,
median and mode) are values
that summarize a set of data.
They are useful when
analyzing data

7. Mean:
Median:
93+79+88+77+92+88+80+3
34, 77,79,80,84,88,88,88,92,93
4+84+88=803
84+88=172
803÷10=80.3
172÷2=86
The mean of her test scores
The median of this data is 86.
is 80.3
The Mode of Jessica’s Range:
test scores would be 88. 93-34=59
The range of this date is 59.