I would interpret it as how people only look at reality, not what's inside or what they can't see.
Answer:
add comma between cold and weak
Explanation:
They are both adjectives so a comma is needed.
If it popular within many people.
Answer:
No
Explanation:
The question said a "random" sample which means that she doesn't know if the curfew of the sample tells her father that other people's curfews are earlier (eg. 8 o'clock), thus persuading her father to change her curfew an hour earlier which is not good for her.
She should organize specific data telling here father that other people have curfews later than 9.
