One Variable and Two Variable Statistics

If we use the mean to measure the typical value or center of the data, we would use the _________ to measure the variability.

• IQR

• Median

• Mean

• Standard Deviation

If we use the median to measure the typical value or center of the data, we would use the _________ to measure the variability.

• Mode

• MAD

• Standard Deviation

• IQR or Interquartile Range

The median is the...

• average of all data values

• the most frequently occurring number

• the difference between the biggest and smallest value

• the middle value

Interquartile Range or IQR is a measure of variability and helps determine the spread of the data.

• True

• False

Bivariate data is the study of how many variables?

• 3

• 1

• 2

• 0

________________ data is data that deals with two variables.

• Univariate

• Bivariate

• Categorical

• Quantitative

___ data for two variables.

• trivariate

• bivariate

• positive

• negative

Bivariate data involves

• one variable

• two variables

• three variables

• four variables

What is the primary purpose of a scatter plot?

• To show the distribution of a single variable

• To show the relationship between two variables

• To show the frequency of data points

• To show the central tendency of data

Two variable data