what is difference between 'in attempt to do' and 'in an attempt to do'

English as a Second Language English Vocabulary, Grammar and Idioms
1

some things are collected deliberately in the home in an attempt to avoid waste.
some things are collected deliberately in the home in attempt to avoid waste.

2

Only the first one (with “an”) is correct.

3

How to explain ‘Airlines Suing FAA In Attempt To Prevent Delays Caused By Air-Traffic Control Furloughs’ without ‘an’ which found in an? article.consumerist.com/2013/04/19/airli … furloughs/

4

Headlines often leave out the prepositions like that.

5

I think Beeesneees meant to say articles rather than prepositions.

6

Dozy/Beeesneees,
“Raman went in hide in an attempt to escape arrest.”
Is this sentence OK?

7

“Raman went into hiding in an attempt to escape arrest.”