Measures of Central Tendency Quiz - CBSE Class 12 Mathematics

Free practice quiz: Measures of Central Tendency (CBSE Class 12 Mathematics). 20 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

Sample questions

1. What is the mean of the following data set: 5, 10, 15?

   1. 10
   2. 15
   3. 20
   4. 5
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   Answer: A. 10

   To calculate the mean, sum all values (5 + 10 + 15 = 30) and divide by the number of values (3). So, the mean is 30/3 = 10.

2. For the data set {7, 3, 5, 9}, what is the median?

   1. 5
   2. 6
   3. 7
   4. 8
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   Answer: B. 6

   First, arrange the data in order: {3, 5, 7, 9}. With 4 data points (even), the median is the average of 5 and 7, which is (5 + 7)/2 = 6.

3. What is the mode in the following set {1, 1, 2, 2, 3, 4}?

   1. 1
   2. 2
   3. 3
   4. 4
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   Answer: A. 1

   1 appears most frequently (twice), hence it is the mode of this data set.

4. What is the median of this set: {3, 7, 8, 9, 10}?

   1. 7
   2. 8
   3. 9
   4. 10
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   Answer: B. 8

   In the ordered set, 8 is the middle number, hence the median.

5. Find the median for the following values: {18, 20, 25, 30, 32}.

   1. 25
   2. 20
   3. 30
   4. 28
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   Answer: A. 25

   The ordered set is {18, 20, 25, 30, 32}. The middle number is 25.

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