GCSE 2016 Handling Data TGS

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PAPER 4

luonut Competenze Digitali

Natural Disasters-Unit of work

luonut Paula Steel

備份規劃

luonut planetoid hsu

ARS Data Collection & Reporting Flow

luonut Wendy Miner

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