What is the best measure of center for this set of data 3, 10, 7, 5, 11
What is the mean?
The average of set of data.
10, 8, 13, 14, 5. What happens to the mean if 20 is added to the data set?
What is the mean will increase?
The difference between the greatest and least values of a data set.
9, 8, 12, 6, 10 , 3 What happens to the variability if 0 is added to this data set?
What is the variability increases?
13, 14, 9, 8, 15, 19, 0? What is the best measure of center for this data set
What is median?
The difference between the first and third quartiles of a data set. It represents the spread of the middle 50% of the data.
What is the interquartile range (IQR)?
100, 105, 107, 112, 119, 125, 127. If 120 was added, what measure(s) of center or variability would be effected?
What is the mean, median, interquartile range?
The average distance between each data value and the mean.