7.3: Analysis and interpretation of correlation

Question 1

Describe the features of normal distribution (3 marks)

Answer 1

Data that are normally distributed should have a similar mode, median and mean

Question 2

Describe the features of normal distribution (3 marks).
Data that are normally distributed should have a similar mode, median and mean.
What should the data form when plotted on a histogram?

Answer 2

The data should form a bell-shaped (Gaussian) curve when plotted on a histogram

Question 3

Describe the features of normal distribution (3 marks).
Data that are normally distributed should have a similar mode, median and mean.
The data should form a bell-shaped (Gaussian) curve when plotted on a histogram.
What should the majority of scores be?

Answer 3

The majority of scores should be centred on and around the mean

Question 4

Describe the features of normal distribution (3 marks).
Data that are normally distributed should have a similar mode, median and mean.
The data should form a bell-shaped (Gaussian) curve when plotted on a histogram.
The majority of scores should be centred on and around the mean.
What should there be either side of the mean?

Answer 4

There should be a symmetrical distribution of scores either side of the mean