Answer:
it's ok bro :>
Step-by-step explanation:
u not dumb!☆W☆
I say 3 if I’m wrong sorry
The stem and leaf diagram is shown below
There are a total of 48 data
Question a:
The frequency in the stem for 9 to 9.9 is 13 data
Question b:
The location of the first quartile is given by

, where 'n' is the number of data
We have n = 48
Location of the first quartile is at

rounded down to 12
The value of the lower quartile is on the

on the diagram which is 8.7