OVERVIEW
Higher: Students will learn how to carry out sampling techniques, draw and interpret cumulative frequency diagrams, box plots and histograms. Compare and describe populations.
Higher: Students will learn how to carry out sampling techniques, draw and interpret cumulative frequency diagrams, box plots and histograms. Compare and describe populations.
sample
population
fraction
decimal
percentage
bias
stratified sample
random
cumulative frequency
box plot
histogram
frequency density
frequency
mean
median
mode
range
lower quartile
upper quartile
interquartile range
spread
comparison
outlier
Actuary, Mathematician, Market Research Analyst, Atmospheric Scientist/Meteorologist, Statistician, Operations Research Analyst, Financial Analyst, Economist.
Pictorial representations are more easily understood. Early man couldn’t read, so symbols and pictures were more accessible.
Charts and graphs can easily be manipulated to apparently show almost any desired result and so great care must be taken when reading them.