Maths

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  • Created by: Rosalind
  • Created on: 15-04-14 15:19
Quantative Data
Data recorded in words
1 of 14
Qualitative Data
Data recorded in numbers
2 of 14
Discrete data
finite number e.g. number of cars
3 of 14
Continuous Data
e.g. length
4 of 14
Methods of Data collection
Observation, survey/questionnaire, experiment or data logging
5 of 14
Finding mean from frequency table
frequency x midpoint divided by frequency
6 of 14
Range
largest value - smallest value
7 of 14
Interquartile range
upper quartile - lower quartile
8 of 14
Frequency polygon
line graph always plotted from midpoint
9 of 14
Estimate frequency on a histogram
area under the histogram bar
10 of 14
P(A or B)
P(A) + P(B)
11 of 14
P(A and B)
P(A) x P(B)
12 of 14
Estimating probability from frequency table
frequency divided by total frequency
13 of 14
Cumulative frequency graphs
plot from end of class
14 of 14

Other cards in this set

Card 2

Front

Data recorded in numbers

Back

Qualitative Data

Card 3

Front

finite number e.g. number of cars

Back

Preview of the back of card 3

Card 4

Front

e.g. length

Back

Preview of the back of card 4

Card 5

Front

Observation, survey/questionnaire, experiment or data logging

Back

Preview of the back of card 5
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