What is the median?
The first value in a list of numbers
The middle value in a list of numbers
The biggest value in a list of numbers
How is the mean calculated?
By adding up all the numbers and dividing by the number of numbers
By dividing by all the numbers
By adding up all the numbers
What is the range?
The difference between the lowest and the middle number in a set of data
The difference between the highest and the middle number in a set of data
The difference between the largest and the smallest number in a set of data
What is the inter-quartile range?
The difference between the upper quartile and lower quartile
The size of the quartile
The numbers that divide the values into equal quarters
What is the modal class?
The group with the lowest frequency
The group with the average frequency
The group with the highest frequency
What is the mode?
The number that occurs most often in a set of data
The number that occurs least often in a set of data
The smallest number that occurs in a set of data
How many equal parts does a percentile divide a set of data into?
4
100
50
What does a scatter graph show?
The average values of one set of data
The relationship between three sets of data
The relationship between two sets of data
What does interpolate trends mean?
When a value is found beyond the data set by making a prediction
When a value is found within the data set using the line of best fit
When a value cannot be found using a line of best fit
What does extrapolate trends mean?
This is when a value is found outside of the data set by extending the line of best fit
This is when a value cannot be found using a line of best fit
This is when a value is found within the data set using the line of best fit