6.3 Measures of Central Tendency (Calculator) Flashcards
1
Q
What do measures of central tendency tell us?
A
Where the middle of a data set lies
2
Q
Mode
A
The value that occurs most often
3
Q
Bimodal
A
Two modes
4
Q
Modal class
A
Group that occurs most often
5
Q
Mean
A
Average
6
Q
What is the formula for mean?
A
Sum of values/# of values
7
Q
Median
A
The number in the middle when the data is arranged from least to greatest
8
Q
What is the mode of 2, 3, 3, 4, 6, 7?
A
3
9
Q
What is the mean for 2, 3, 3, 4, 6, 7?
A
4.17
10
Q
What is the median of 2, 3, 3, 4, 6, 7?
A
3.5
11
Q
What is the mid-interval value?
A
The value in between a range of values
12
Q
What is the mid-interval value of 10 < x < 12?
A
11
