The mean score for the first 4
rolls of dice are 3.5
The mean score for the next 6 rolls
of the dice is 4.5
Work out the mean score for all 10
rolls of the dice.
4.1
Find the mean of:
–3, 4, 7, 0, 2
2
In a set of three integers, the
mean of the first two is 2, the mean of
the last two is 3, and the mean of the
first and the last is 4.
What are the three integers?
3,1,5
Find the range of:
4, 9, 3, –4, 1, 2
13
Find the mean of:
7, 1, 4, 6
4.5
Find the mode of:
4, 2, 7, 3, 4, 3, 5, 3, 2, 7, 3
3
Find the median of:
1, 4, 5, 6, 8, 14
5.5
Three positive integers have a
mean of 5 and a range of 10.
Find the values of the three integers.
1,3,11
Find the range of:
8, 4, 11, 9, 5, 13, 7
9
The mean height of five players
in a basketball team is 185 cm.
When a player of height 183 cm is
substituted, the mean height of the
the team goes down to 181 cm.
How tall is the substitute player?
163
In a set of three integers, the
first is twice the second and the
second is twice the third.
The mean of the three integers is 14.
Find the values of the three integers.
24,12,6
Find the mean of:
2, 5, 2, 5, 9, 4
4.5
a, b, c and d are four integers.
Their mode is 5
Their mean is 7
Their median is 5.5
Find the values of the four integers.
5,5,6,12
After 4 tests, Pat’s mean score
is 82%.
How much must Pat score in her 5th
test if she wants to increase her
mean score to 85%?
97%
Six positive integers have a
range of 13. The integers are:
5, 9, 7, 12, 3, x
Find the value of x
16
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