presentation of quantitative data

Question 1

scattergram

Answer 1

a type of graph that represents the strengthen and direction of the relationship between co variables in a correctional analysis

Question 2

bar chart

Answer 2

a type of graph in which the frequency of each variable is represented by the height of the bars

Question 3

histogram

Answer 3

a type of gram which shows frequency
- the area is the bars represents the frequency

Question 4

what data is made from bar charts ?

Answer 4

discrete data

Question 5

normal distribution

Answer 5

a symmetrical spread of frequency data that forms a bell shaped pattern. the mean, median and made are all located at the highest peak

Question 6

skewed distribution

Answer 6

a spread of frequency data that is not symmetrical, where the data clusters to one end

Question 7

positive skew

Answer 7

a type of frequency distribution in which the long tail is on the positive side of the peak

Question 8

negative skew

Answer 8

a type of frequency distribution in which the long tail is on the negative side of the peak and most of the distribution is concentrated on the right