Question

Find MEAN Using direct method
Ang lincolare
0-20 20-40 40-60/60-80/80-100 (120-140/140-160
freg
59
ld​

Answer 1

Answer:

give question in short

Answer 2

Answer:

146.25

Step-by-step explanation:

Let mean=150

⇒A=150

⇒ Mean=A+∑f∑fd

=150+8ϕ(−30ϕ)=150−415=150−3.75

=146.25

hope this helps!:)