Statistics - Finding Unknowns from Averages and Spread
Statistics - Finding Unknowns from Averages and Spread
IP 2
3 marks
The back-to-back stem-and-leaf diagram shows the heights of students in class A.
Write down the height of the tallest student.
[1]If the modal height of class A is \(152\) cm, state a possible value of \(m\).
[1]A student is chosen at random from class A. Find the probability that a girl with a height of at least \(165\) cm is chosen.
[1]
Solution:
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Answer:(a) \(182\) cm. (b) \(m=1\) (or 0). (c) \(1/12\).
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