Statistics topics for 8th grade

Identify the median

Identify the median (middle value) of each set of numbers

Identify the outlier

Identify the outlier in each set of numbers

Mean mode median range

Calculate the mean, mode, median or range for the given frequency tables to 2 d.p.

Vertical line chart: mean, range

Find the mean or the range for each of the given vertical line charts

Match data to diagram

In each instance select the correct data for the given stem and leaf diagram

Stem & leaf: mode median range

Find the mode, median and range for each of these stem and leaf diagrams

Primary vs secondary data

In each instance identify whether the data described is primary or secondary

Grouped frequency tables

In each instance decide whether the grouped frequency table matches the raw data

Grouped frequency table: modal group, range

Identify the modal group or largest range for each grouped frequency table

Grouped frequency table: midpoint

Identify the correct midpoint for the specified range in each grouped frequency table

Construct scatter graphs

Identify the correct steps for constructing a scatter graph from the options offered

Polarity, strength of correlation

Identify the polarity and strength of any linear correlation for each of the given scatter graphs

Line of best fit

Identify which of the lines is closest to being a line of best fit for the data

Using lines of best fit

In each instance use the given line of best fit to predict approximate values