Maths And Statistics
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Maths and Statistics for Social Scientists
Maths and Statistics for Social Scientists
1.
1)
1
/
4
=
0.25
2)
20%
=
20
/
100
3)
0.6
=
60
/
100
4)
11
/
20
=
0.55
2. David likes to exercise outdoors every morning. One day the temperature is -1°C. During his workout, the temperature rises to 3°C.
(a)What was the rise in temperature during this time?
= 3 - (-1) = 4
(b) If the temperature had fallen by 2°C during his workout (still from a start of -1°C), what would the new temperature be?
= - 1 - 2 = -3
(c) The next morning, the temperature was 4°C colder than the previous morning. What is the temperature?
= - 3 + ...