Summarizing Data
The average of all the data points
What is the mean?
Facts collected together that will be analyzed.
What is data?
A type of graph that uses rectangles to show data.
What is a histogram?
A straight line relationship between a variable and a constant.
What is a linear relationship?
The difference between the upper and lower limits of the data.
What is range?
A group of people from which the data is collected.
What is a sample?
Type of graph that uses dots to represent data.
What is a scatter plot?
When small values occur with small values and large values occur with large values.
What is positive association?
A point that is significantly different from the rest of the data.
What is an outlier?
Group that a sample is drawn from.
What is population?
This variable is plotted on the x-axis.
What is the independent variable?
When data on a scatter plot forms distinct groups.
What is clustering?
The number that is the midpoint of the data distribution.
What is median?
This results in the expected value differing from the actual value.
What is statistical bias?
Data with which there are two variables.
What is bivariate data?
The measure of linear association.
What is the correlation coefficient?