BRIGHT YOUNG BRAINS

Using your calculator to get the mean

Getting the five number summary using formulas etc

Drawing a box and whisker diagram

Working out the skewness by using a formula

Using the calculator to get the standard deviation

Getting a new mean value once data is tampered with

A scenario where tampering with the data does not change the standard deviation

Using and OGIVE to sketch a box and whisker diagram

Using an ogive to make an estimate

Using box and whisker diagram to determine the skewness of data

What happens to the standard deviation and skewness when data is changed

Getting the mean of data that has class intervals and midpoints

Drawing an ogive

Determining the median for class interval data

Using an ogive you drew to make estimates

Using an ogive to gather data about the median

Effects on standard deviation from ogive data

More on skewness when data is altered

Drawing a histogram from a given ogive

Stats questions are obsessed with skewness

Comparing the median to the lower and upper quartiles

Making use of stats theory for a 7 mark question

Spotting incorrect information on a histogram

Using a normally distributed diagram to answer questions

Normally distributed data and percentages

Comparing Normally distributed data for 2 subjects

Comparing the standard deviations of 2 sets of data

How is the mean and standard deviation affected when data changes

Determining what can be done to data to alter the mean and standard deviation

True or false questions from a scatter plot

Comparing 3 histograms to determine standard deviation

Level 4 mean and standard deviation question

Level 5 mean and standard deviation question

Identifying an independent variable

Drawing a scatter plot

Determining the equation of the least squared regression line

Calculating the correlation coefficient

Making a prediction using the least squares regression line and commenting on the correlation coefficient