EASY
10th Tamil Nadu Board
IMPORTANT
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Can the standard deviation be more than the variance?

Important Questions on Statistics And Probability

EASY
10th Tamil Nadu Board
IMPORTANT
Mathematics Standard 10>Chapter 8 - Statistics And Probability>Progress Check>Q 1
If the variance is 0.49 then the standard deviation is ?
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Mathematics Standard 10>Chapter 8 - Statistics And Probability>Thinking Corner>Q 1
For any collection of n values, can you find the value of Σxi-x¯
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Mathematics Standard 10>Chapter 8 - Statistics And Probability>Thinking Corner>Q 1
For any collection of n values, can you find the value of Σxi-x
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Mathematics Standard 10>Chapter 8 - Statistics And Probability>Thinking Corner>Q 1
 The standard deviation of a data is 2.8, if 5 is added to all the data values then the new standard deviation is _____.
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Mathematics Standard 10>Chapter 8 - Statistics And Probability>Thinking Corner>Q 2
If S is the standard deviation of values  p, q, r  then standard deviation of p–3, q–3, r–3  is _____.
EASY
10th Tamil Nadu Board
IMPORTANT
Mathematics Standard 10>Chapter 8 - Statistics And Probability>Exercise 8.1>Q 1

Find the range and coefficient of range of the following data.

63, 89, 98, 125, 79, 108, 117, 68

EASY
10th Tamil Nadu Board
IMPORTANT
Mathematics Standard 10>Chapter 8 - Statistics And Probability>Exercise 8.1>Q 1

Find the range and coefficient of range of the following data.

43.5, 13.6, 18.9, 38.4, 61.4, 29.8

EASY
10th Tamil Nadu Board
IMPORTANT
Mathematics Standard 10>Chapter 8 - Statistics And Probability>Exercise 8.1>Q 2
If the range and the smallest value of a set of data are 36.8 and 13.4, respectively, then find the largest value.