0.17. Representing quantitative data Flashcards

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1
Q

What is a table for?

A
  • usually already written for you to have to interpret the data, using the data to justify what it shows
  • refer to both IVs (conditions) and the DV (measurement)
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2
Q

What is a bar chart for?

A
  • used to display a test of difference
  • Y axis is the DV (measurement)
  • X axis is the IV (2 conditions)
  • 4 marks = title, IV labels, DV labelled, bars are accurate
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3
Q

What is a scattergram for?

A
  • used to display a relationship/ correlation
  • variables plotted on the X and Y, plotted by an x
  • no line is required- DO NOT JOIN UP OR DRAW LINE OF BEST FIT
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4
Q

What is a histogram for?

A
  • used for continuous data (interval data e.g. age time, temp)
  • no gap, bars touch
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5
Q

What is distribution for?

A
  • used to represent how traits are represented in the population
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6
Q

What is normal distribution?

A
  • even curve
  • Median, mean, mode-> close together
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7
Q

What is positive skewed distribution?

A
  • mean is larger than the mean and mode (hard test)
  • mode, median, mean
  • larger = further across x axis
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8
Q

What is a negative skewed distribution?

A
  • mean is smaller than the median and mode (easy test)
  • mean, median, mode
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