Write formula for direct method to find the mean
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Answer:
Arithmetic Mean by Direct Method - formula
∑i=1nfixi= Sum of the product of frequencies and corresponding observations.
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Answer:
Arithmetic Mean by Direct Method - formula
∑i=1nf= Sum of all the frequencies. This is also denoted by N. ∑i=1nfixi= Sum of the product of frequencies and corresponding observations.
Step-by-step explanation:
= incorrect ∑x – the wrong value + correct value. = 1660 – 160 + 150 = 1650. Hence, the correct A.M. = 1650 / 10. = 165 cm. Hence the correct mean height is 165 cm.
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