Mean, Median and Mode
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Q1
The heights of 10 girls were measured in cm and the results are as follows:
135, 150, 139, 128, 151, 146, 132, 149, 143, 141. The mean height of the girls isMarks:1Answer:
141.4.
Explanation:

Q2
Mode of the data 23, 24, 23, 21, 25, 25, 23, 21, 23 is …..
Marks:1Answer:
23
Explanation:
Arranging the given data in ascending order. We have
21, 21, 23, 23, 23, 23, 24, 25, 25
Here, 23 occure four times.
Thus mode of the given data is 23. 
Q3
The weights (in kg) of 11 students of a class are:
38, 45, 41, 32, 37, 35, 38, 40, 36, 46 and 39
What is the median of the given data?Marks:1Answer:
38
Explanation:
Arranging the given data in ascending order, we have
32, 35, 36, 37, 38, 38, 39, 40, 41, 45, 46
Median is the middle observation of the given data.
Here, it is 38. 
Q4
The median of the given data 9, 12, 15, 16, 13, 13, 19, 18, 14, 20 and 12 is
Marks:1Answer:
14
Explanation:
Arranging the given data in ascending order.
9, 12, 12, 13, 13, 14, 15, 16, 18, 19, 20
Median is the middle observation of given data.
Here, middle observation is 14. 
Q5
The median of the numbers, 2,2,2,3,3,4,5,5,5,6,6,8,9,7,7 is
Marks:1Answer:
5
Explanation:
Arrange the data is ascending order is, 2,2,2,3,3,4,5,5,5,6,6,7,7,8,9The median is the middle term of data therefore, the median is 5.