1. Find the range of heights of any ten students of your class.
2. Organise the following marks in a class assessment, in a tabular form.
4.6. 7.5, 3, 5, 4.5, 2, 6, 2, 5, 1.9, 6, 5, 8, 4, 6, 7
(ii) Which number is the lowest
(iv) Find the arithmetic mean.
(i) Which mumber is the highest?
(iii) What is the range of the data?
3. Find the mean of the first five whole numbers.
4. A cricketer scores the following runs in eight innings:
58. 76, 40, 35, 46, 45.0, 100.
Find the mean score.
2. Organise the following marks in a class assessment, in a tabular form.
4.6. 7.5, 3, 5, 4.5, 2, 6, 2, 5, 1.9, 6, 5, 8, 4, 6, 7
(ii) Which number is the lowest
(iv) Find the arithmetic mean.
(i) Which mumber is the highest?
(iii) What is the range of the data?
3. Find the mean of the first five whole numbers.
4. A cricketer scores the following runs in eight innings:
58. 76, 40, 35, 46, 45.0, 100.
Find the mean score.
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Answer:
1) your height -1+1-1+2-1-2+1-2+3-1
suppose ur height is 5ft then -1+1-1+2-1-2+1-2+3-1=0
then height of students =5ft 1 inch, 5ft 1inch,5ft 1 inch,5ft 2 inch, 5ft 1 inch ,5ft 2 inch, 5ft 1 inch, 5ft 2 inch ,5ft 3 inch, 5ft 1 inch
2)ii 1.9
iv 4.5
i 7.5
III 16
4)58+76+40+35+46+45+0+100/8
=400/8=50
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