Chapter 3 continued Flashcards
1
Q
What are the three measures of central tendency?
A
Mean, median, mode
2
Q
What are the measures of variance?
A
The most common measures of variability are the range, the interquartile range (IQR), variance, and standard deviation.
3
Q
What is/are the mode(s) in this data set: 25, 44, 45, 45, 56, 79, 83
A
45
4
Q
What is/are the mode(s) in this data set: 25, 44, 44, 45, 56, 79, 79, 83
A
44
5
Q
What is the median in this data set: 25, 44, 45, 56, 79
A
45
6
Q
What is the median in this data set: 25, 44, 45, 56
A
44.5
7
Q
What is the mean of this data set: 25, 44, 45, 45, 56, 79
A
49
8
Q
What is the range of the data set in #7?
A
54
