Question

How to find the summation

Answer 1

Answer:

Step-by-step explanation:

it is given frequency in tg question which should be beside of mid value.

mid value can be find by adding weight in kg and then divide by 2.

summation of f¹ x¹ can be find by multiplying mid value and frequency.

then, mean X bar = Summation of f¹x¹ ÷ by summation of f¹

after dividing the answer will come.

if you are satisfy with my ans then mark me as a brainlist.

if you want me to solve this question i can. it is statistics, direct method to find mean. i can also find this with assumed mean methed and steo deviation method, the answer will be same.

if there is something wrong then kindly rectify