1. Measure clockwise from 00.
A class of 30 students were asked what make of mobile telephone they had.
Type
Number
Angle
Nokia 8
Ericsson 3
Samsung 4
Other
No Mobile 7
= 960
x 12
= 360
x 12
= 480
x 12
= 960
x 12
= 840
TOTAL 30
3600
Check that they add up to 3600
x 12
x 12
Turn your angle measurer so that 00 is on your new line.

2. A class of 30 students were asked what make of mobile telephone they had.
Type
Number
Angle
Nokia 8
Ericsson 3
Samsung 4
Other
No Mobile 7
= 960
x 12
= 360
x 12
= 480
x 12
= 960
x 12
= 840
TOTAL 30
3600
x 12
x 12 2

3. A class of 30 students were asked what make of mobile telephone they had.
Type
Number
Angle
Nokia 8
Ericsson 3
Samsung 4
Other
No Mobile 7
= 960
x 12
= 360
x 12
= 480
x 12
= 960
x 12
= 840
TOTAL 30
3600
x 12
x 12 3

4. Check that the last section is 840.
A class of 30 students were asked what make of mobile telephone they had.
Type
Number
Angle
Nokia 8
Ericsson 3
Samsung 4
Other
No Mobile 7
= 960
x 12
= 360
x 12
= 480
x 12
= 960
x 12
= 840
No mobile
Nokia
TOTAL 30
3600
Check that the last section is 840.
x 12
x 12
Ericsson
Other
Label each section.
Samsung 4