Question

Please answer me this question fast & whosever give me the correct answer I will mark him Brainiest.​

Answer 1

Answer:

f = 20

Step-by-step explanation:

First rewrite the ques in vertical form.After that take out the mid value of all class intervals.

Example. 11+13=24/2=12 Do as directed.

Then you have the value of x.

find fx by multiplying it with all frequencies.

sum up all frequencies.

Use formula- Summation of fx/ summation of f = mean.

put all values and here is your answer.

Hope you'll understand it.

All the best