GCSE 2016 Handling Data TGS

Mai multe ca acesta

FITT Principal

creat de Nickie Spencer

Validation and Verification

creat de Kezia Bailey

Marketing Research

creat de charlie siau

Computer Engineer

creat de Michael Ancajas

Demo

Subtopic

Handling Data

Stem and Leaf

Key

Two way tables

Check totals match

2 variables (usually gender)

Cumulative frequency

add up frequencies

Box and Whisker Plots

Range & Inter Quartile Range

Median

Lower & Upper Quartile

Min & Max

Questionnaires

Not biased

Biased question or options

Wrong people

Wrong location

Time period, eg per day or month

Response boxes

Complete (more than)

Not overlapping

Data Collection Sheet

Tally & Frequency

Frequency Polygon

Join the points, straight lines

Plot the midpoints