Averages

Question 1

MODE is the:

Answer 1

value that occurs most often

Question 2

MODE for variables that are:

Answer 2

Nominal
Ordinal
Ratio/Interval

Question 3

MODE: very often useful for

Answer 3

frequency tables and cross-tabs

Question 4

MODE: often unhelpful when you have any different values to represent:

Answer 4

interval/ratio

Question 5

MODE: remember to look at the rest of the distribution of values to decide if it is a

Answer 5

useful summary

Question 6

MEDIAN is the

Answer 6

middle value

Question 7

MEDIAN: order values and then it is the

Answer 7

middle value

Question 8

MEDIAN: to find the number of the case that has the median : n+1 divided by?

Answer 8

2

Question 9

MEDIAN is the measure of:

Answer 9

central tendency

Question 10

MEDIAN for variables:

Answer 10

ordinal

Question 11

MEAN is :

Answer 11

add up all cases and divide by number of cases

Question 12

MEAN reflects:

Answer 12

cardinal information

Question 13

MEAN is sensitive to:

Answer 13

extreme/unusual values

Question 14

MEDIAN isn’t sensitive to:

Answer 14

extreme/unusual values

Question 15

Different measures of central tendency or kinds of averages (mean, median, mode) emphasises different features of the:

Answer 15

data

Question 16

Best measure(s) to use depends on the type of variable :

Answer 16

• level of measurement (ordinal, nominal, interval/ratio)

- shape of distribution