Analysis of Quantitative Data (Edexcel A-Level Psychology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What type of data is quantitative data?
What type of data is quantitative data?
Numerical info from closed questions
What is the formula for calculating the mean?
What is the formula for calculating the mean?
x̄ = Σx/n
Which measure of central tendency is NOT affected by extreme outliers?
Which measure of central tendency is NOT affected by extreme outliers?
Median
For what type of data is the mode most appropriate?
For what type of data is the mode most appropriate?
Nominal (categorical) data
What does a higher standard deviation indicate?
What does a higher standard deviation indicate?
Greater spread of scores from the mean
What is the key difference between bar charts and histograms?
What is the key difference between bar charts and histograms?
Bar charts have separated bars
In a normal distribution, what % of the population falls within 1 standard deviation of the mean?
In a normal distribution, what % of the population falls within 1 standard deviation of the mean?
68%
In a positive skew, where is the tail of the distribution?
In a positive skew, where is the tail of the distribution?
Toward higher scores (positive end)
How is the range calculated?
How is the range calculated?
Highest value minus lowest value
When is the median most appropriate to use?
When is the median most appropriate to use?
When data contains extreme outliers