6. Psychologists used a questionnaire to investigate whether the attitudes of local people

towards newcomers (non-locals) were positive or negative. They found the following

results:

Participant

Statistical research

A

B

C

D

a)

E

F

G

H

|

J

Mean ratings of attitudes of

local people to newcomers

Mode ratings of attitudes

of local people to

newcomers

Mean number of positive

attitudes (out of 10)

3

5

1

1

5

5

1

3

5

6

3.5

Table 1

Mean number of negative

attitudes (out of 10)

6

8

5

4

4

8

4

8

8

6

6.1

i. Complete the table above to show the modes from the data in Table 1./nii.

Statistical research

Give one reason why the mode is not the most useful measure of central

tendency when analysing this data.

b) Another descriptive statistic for this data is dispersion. There are two measures of

dispersion: range and standard deviation.

Explain which measure of dispersion is best for this data.

The total word limit for question 6 is 200 words. This does not include calculations.