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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
Three positive integers have a mean of 5 and a range of 10. Find the values of the three integers.
1,3,11
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
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
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%
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
Six positive integers have a range of 13. The integers are: 5, 9, 7, 12, 3, x Find the value of x
16
Find the mean of: –3, 4, 7, 0, 2
2
Find the range of: 4, 9, 3, –4, 1, 2
13
Find the mean of: 2, 5, 2, 5, 9, 4
4.5
Find the mode of: 4, 2, 7, 3, 4, 3, 5, 3, 2, 7, 3
3
Find the mean of: 7, 1, 4, 6
4.5
Find the median of: 1, 4, 5, 6, 8, 14
5.5
Find the range of: 8, 4, 11, 9, 5, 13, 7
9
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