Presentation of Quantitative Data

Question 1

what are the ways to represent data?

Answer 1

• tables
• bar charts
• histograms
• scattergrams

Question 2

what are the two types of distribution?

Answer 2

• normal distribution
• skewed distribution

Question 3

what is a normal distribution?

Answer 3

• bell-shaped curve is symmetrical

Question 4

what is skewed distribution?

Answer 4

• distributions which lead to one side or the other

Question 5

what is a positive skew?

Answer 5

• most of the distribution is concentrated towards the left of the graph (e.g. low scores on a test)

Question 6

what is a negative skew?

Answer 6

• most of the distribution is concentrated on the right (e.e an easy test and everyone does good)