Pie Charts Of Categorical Data

Interactive macro-enabled MS-Excel spreadsheet. Contents: Use fractions, %s & ratio to compare pets in a pet shop (±10%). Use fractions, %s & ratio to compare fruit in an orchard (±5%). Use fractions, %s & ratio to compare genres of movie (±1%). Interpret pie charts by finding the size of the angle for each sector. Interpret pie charts by finding the value of each fractional sector. Compare surveys of pupil’s favourite movies at two schools (±5%). Compare studies of daily sales of food items from two cafés (±1%). Draw pie charts for a simple data set by fraction of a circle method. Draw pie charts for a simple data set by unit angle method. Draw pie charts for any data set by fraction of a circle method. Draw pie charts for any data set by unit angle method. Find algebraic angles & proportions by writing linear equations. Find algebraic angles & proportions by writing quadratic equations.