THE UNIVERSITY OF SYDNEY
Math1005 Statistics
Semester 2
Tutorial Week 1
2006
Statistics tutorials commence in week 1.
Check your personal timetable for location and time.
We encourage you to attempt these problems before your tutorial class.
1.
The following table gives the number of ice cream sold in a coFee shop in January 2002 in a Canadian
city:
2
0
0
1
1
0
2
1
3
3
6
7
0
4
1
0
1
1
3
2
1
0
8
0
0
4
5
1
0
2
3
Prepare a suitable frequency distribution table for this data. Draw an ordinate diagram and comment.
2.
(
Multiple choice
)
The mode of the data set in Q1 is:
(a) 1
(b) 0
(c) 5
(d) 4
(e)
∞
.
3.
(
Multiple choice
)
The median of the data set in Q1 is:
(a) 0.0
(b) 1.0
(c) 2.0
(d) 3.0
(e) none of the above.
4.
(
Multiple choice
)
The mean number of ice cream sold by the shop in Q1 (in January, 2002) is:
(a) 4.1
(b) 0.9
(c) 5.0
(d) 2.0
(e) 0.0.
5.
In an attempt to measure the ‘true’ heat of sublimation of platinum (in kcal/mole), Hampson and
Walker (1961) recorded the following data (
x
i
):
136.2
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 Statistics, Mean, Frequency distribution

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