Question

The class mark of the class 2000-2500 is taken as
the assumed mean. What is the value of the
deviation (dd) for the class 2500-3000?
(A) - 500 (B) 500 (C) 0 (D) 1000​

Answer 1

Answer:

500 is the correct answer

Answer 2

Required Mean = A+∑fidi∑fi=550−12000420= 550 − 28.57= Rs 521.43 Hence, the mean of toll is Rs 521.43