Statistics

The median is the _______ of data values.

• mathematical average

• spread

• number occurring the most

• middle

Find the median out of this set of data values: 1,1,3,4,4,4,5,5,6,6,7

• 5

• 4

• 6

• 1

The _______is the mathematical average from a data set.

• median

• mode

• mean

• range

If the overall shape of a dot plot has tails that are about the same length, we say the shape is __________________.

• approximately symmetric

• skewed right

• skewed left

• centered

Data on a dot plot is skewed right if the tail of the graph _______.

• extends out to the right

• extends out to the left

• is even on both sides

• is centered

Given the data set of 3, 3, 4, 5, 5, 6, 6, 7, 7, 7, 7, 8, 9, the mode is _____

• 6

• 7

• 9

• 3

The _________ tells on average how much each data point differs from the mean.

• median

• mode

• mean

• MAD

Find the Mean Absolute Deviation (MAD) if your data set contains these values 1,1,4,6,6,6,8,8,9,9

• 7

• 6

• 2.4

• 24