Find the mean of the following data, using direct method:
Class $25 - 35$ $35 - 45$ $45 - 55$ $55 - 65$ $65 - 75$
Frequency $6$ $10$ $8$ $12$ $4$

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Find the mean of the following data, using direct method:

Class	$25 - 35$	$35 - 45$	$45 - 55$	$55 - 65$	$65 - 75$
Frequency	$6$	$10$	$8$	$12$	$4$

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Text solutionVerified

Mean

= \frac{\sum f _{i} x _{i}}{\sum f _{i}}

= \frac{1980}{40}

= 49.5

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Question Text	Find the mean of the following data, using direct method:
Answer Type	Text solution:1
Upvotes	150