Question

find the mean of the distribution class 1-3 3-5 5-7 7-9. frequency 9 22 27 17
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Answer 1

Answer:

Step-by-step explanation:

mean = sum of all the numbers by no.of numbers

1+3+5+7+9 by 5=25 by 5= 5

MEAN IS 5

frequency of 9 IIII DASH IIII DASH IIII

frequency of 22 IIII DASH IIII DASH IIII DASH IIII DASH II

frequency of 27 IIII DASH IIII DASH IIII DASH IIII DASH IIII DASH II

frequency of 17 IIII DASH IIII DASH IIII DASH II