GCSE 2016 Handling Data TGS

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Organizing and Representing Data: Visual Representations

luonut Katie Morrison

Simple present negative sentences

luonut Marco Herrera

QUALITATIVE AND QUANTITATIVE RESEARCH

luonut Carlos Arturo Valencia

Marketing Research

luonut charlie siau

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