# Statistical Concentration And Dispersion Parameters - Test: Question Preview (ID: 19831)

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 The heights in cm of seven children were 151, 160, 148, 143, 127, 159 and 133. What is the median height? a) 143 b) 148 c) 151 d) 145 In a maths test the marks for the boys were 9, 7, 8, 7, 5 and the marks for the girls were 6, 3, 9, 8, 2, 2. Who had a higher mean mark, the boys or the girls? a) Both the same b) Girls c) Boys d) None Five pupils in a class were weighed and their weights were 47kg, 51kg, 46kg, 50kg, and 48kg. Find the mean weight of the pupils. a) 48.4 b) 60.5 c) 242 d) 125 Look at this series of numbers: 25, 21, 12, 14, 8, 19, 17, 12. What's the median? a) 15 b) 15.5 c) 16 d) 14 Look at this series of numbers: 25, 21, 12, 14, 8, 19, 17, 12. What's the mode? a) 12 b) 14 c) 21 d) 18 Look at this series of numbers: 25, 21, 12, 14, 8, 19, 17, 12. What's the mean? a) 16 b) 32 c) 128 d) 112 Which measure of average can have more than one value? a) Mean b) Median c) Mode d) Standard deviation Which measure of average requires you to put the data in numerical order? a) Mean b) Median c) Mode d) Standard deviation Find the median in this list of numbers: 4, 3, 4, 3, 4, 3. a) 3 b) 3.5 c) 4 d) 5 Find the mode in the following list of numbers: 2, 3, 4, 2, 3, 4, 2, 5, 3, 2, 5. a) 2 b) 3 c) 4 d) 5
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