Write the formula for finding arithmetic mean by step deviation method of a data and explain each term?
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Answer:
Mean = a + sigma FiUi × h
¯¯¯¯¯¯¯¯¯¯¯¯
sigma Fi
Step-by-step explanation:
Here, a = assumed no. in Xi
sigma FiUi = addition of all the FiUi
sigma Fi = addition of all the frequencies
h = distance between the two no. in the given class [h = big no. - small no. of the claa]
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