Question

Study the following frequency distribution table.

xi 15 17 20 30 10 + f

fi 4 4 6 5 6

If the mean of the data is 18.8, then the value of f is

(A) 4 (B) 3 (C) 2 (D) 1


pls help fast

Answer 1

Answer:

hey mate , here is your answer,

(B) 3

Step-by-step explanation:

as it showing

xi 15 17 20 30 10 + f

then we can try checking by adding all of the numbers and checking which equals to that solution.