Statistics

Question 1

Numerical

Answer 1

Can be answered with numbers

Question 2

Categorical

Answer 2

Can’t be described with numbers

Question 3

Numerical: Discrete

Answer 3

Can only take certain values
Eg. Shoe sizes: 7, 7½, 8

Question 4

Numerical: Continuous

Answer 4

Can take any value within a range.
Rainfall measurments: 4.7 mm

Question 5

Categorical: Ordinal

Answer 5

Can be ordered in some way
Exam results

Question 6

Categorical: nominal

Answer 6

Cannot be ordered
Hair colour

Question 7

Data: Univariate:

Answer 7

One type of information
Exam marks

Question 8

Data: Bivariate:

Answer 8

Paired data or two items
Hours of study and exam marks

Question 9

Collecting Data: Primary

Answer 9

Collected by or for the person using it

Question 10

Collecting data: Secondary

Answer 10

Already collected by someone else
Published statistics, newspapers

Question 11

Salt meaning

Answer 11

Scale
Axis
Length
Title

Question 12

Stem and leaf important

Answer 12

Needs a key: 5/1
Leaves need to be in order
Stems must be in order
Every person must be accounted for.

Question 13

Line plot

Answer 13

One axis
Titled
Evenly spaced
Represented by dots or x’s