(iv) If Ex,fi = 575 and Ef = 25, find the mean X.
Answers
Answered by
8
Answer:
23
Step-by-step explanation:
as sigma fi xi/sigma fi =mean
575/25=23
Answered by
6
Step-by-step explanation:
EX,fi= 575 and Effort =25
therefore Ex,fi÷Ef
575÷25=23
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