# Maths question on statistics

## Quiz by David Okafor

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10 questions

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- Q1What is the mode of the following data set? [2, 4, 6, 8, 8, 10]2106830s
- Q2What is the median of the following data set? [1, 3, 7, 9, 12]9371230s
- Q3What is the range of the following data set? [3, 8, 11, 14, 17]14381730s
- Q4What is the mean of the following data set? [4, 5, 6, 8, 10]486.6530s
- Q5What is the standard deviation of the following data set? [10, 12, 14, 16, 18]142.24181230s
- Q6What is the correlation coefficient of the following data set? X: [3, 4, 5, 6, 7] Y: [5, 7, 6, 8, 9]0.890.930.960.8030s
- Q7What is the probability of tossing a coin and getting heads?0.251.00.50.7530s
- Q8
If x

^{2 }**+ 4 = 0. Find the value of x**^{ }4

none of the above

2

-4

30s - Q9
If a:b = 5:8, x:y = 25:16, evaluate a/x : b/y

3:4

2:5

125:128

3:5

30s - Q10
Round up 4625 to 2 significant figures

4000

4620

4600

5000

30s