7) Averages And Range Flashcards
1
Q
What do you do to calculate the mean of some values?
A
Add the values together then ÷ answer by number of values.
2
Q
What is the median?
A
The middle value when the data is written in order.
3
Q
What expression can you use to calculate the position of the middle value?
A
N+ 1 ÷ 2.
4
Q
What is an outlier?
A
Extreme value that doesn’t fit the overall pattern.
5
Q
How do you calculate the range of grouped data?
A
Maximum possible value subtracted by the minimum possible value.
6
Q
What is the modal class?
A
The class with the highest frequency.
