MATHEMATICS A TEXTBOOK FOR CLASS 7>Chapter 3 - Data Handling>DO THIS>Q 1

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IMPORTANT

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Record the age in years of all your classmates. Tabulate the data and find the mode(Write the answer in numeric form ).

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Important Questions on Data Handling

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IMPORTANT

MATHEMATICS A TEXTBOOK FOR CLASS 7>Chapter 3 - Data Handling>DO THIS>Q 2

Record the heights in centimetres of your classmates and find the mode(Write the answer in numeric form ).

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IMPORTANT

MATHEMATICS A TEXTBOOK FOR CLASS 7>Chapter 3 - Data Handling>TRY THESE>Q 1

Find the mode of the following data:

12, 14, 12, 16, 15, 13, 14, 18, 19, 12, 14, 15, 16, 15, 16, 16, 15, 17, 13, 16, 16, 15, 15, 13, 15, 17, 15, 14, 15, 13, 15, 14

.

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MATHEMATICS A TEXTBOOK FOR CLASS 7>Chapter 3 - Data Handling>TRY THESE>Q 2

Heights (in cm) of

25

children are given below:

168, 165, 163, 160, 163, 161, 162, 164, 163, 162, 164, 163, 160, 163, 160, 165, 163, 162, 163, 164, 163, 160, 165, 163, 162

. What is the mode of their heights? What do we understand by mode here?

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MATHEMATICS A TEXTBOOK FOR CLASS 7>Chapter 3 - Data Handling>TRY THESE>Q (a)

Give two situations where mean would be an appropriate representative value to use.

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MATHEMATICS A TEXTBOOK FOR CLASS 7>Chapter 3 - Data Handling>TRY THESE>Q (b)

Write two situations where mode would be an appropriate representative value to use.

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MATHEMATICS A TEXTBOOK FOR CLASS 7>Chapter 3 - Data Handling>TRY THESE

If the mode and median of the data:

35, 32, 35, 42, 38, 32, 34

are given as

32

and

42

respectively, check if the values of mode and median are correct or not.

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MATHEMATICS A TEXTBOOK FOR CLASS 7>Chapter 3 - Data Handling>Exercise 3.2>Q 1

The scores in mathematics test (out of $25$ ) of $15$ students is as follows:

$19, 25, 23, 20, 9, 20, 15, 10, 5, 16, 25, 20, 24, 12, 20$

Find the mode and median of this data. Are they same?

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IMPORTANT

MATHEMATICS A TEXTBOOK FOR CLASS 7>Chapter 3 - Data Handling>Exercise 3.2>Q 2

The runs scored in a cricket match by $11$ players is as follows:

$6, 15, 120, 50, 100, 80, 10, 15, 8, 10, 15$

Find the mean, mode and median of this data. Are the three same?