Statistics

in this formula L stands for

• Length of the median class

• Lower boundary of the median class

• Last term of the median class

• Slant height of the median class

What is f₁ stands for

• Frequency of the modal class

• Frequency of the class preceding the modal class

• Frequency of the class succeeding the modal class

• Cumulative frequency of the modal class

Which is the formula of mean in step deviation method

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Formula of mode is

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The mode of the data 7,5,8,11,5,8,7,2,9,5 is

• 7

• 8

• 7,8

• 5

Median of the first 10 natural numbers

• 5

• 6

• 5.5

• 11

The mean of first 5 natural numbers

• 5

• 15

• 3

• 2.5

What is 'a' represents in this formula

• Accurate mean

• Arithmetic mean

• Assumed mean

• Anti mean

What is 'cf' represents in this formula

• Cumulative frequency

• Class interval

• Frequency

• Class frequency

Which of the following is not a measure of central tendency

• Mean

• Range

• Median

• Mode