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Help in a level maths question plsssss

Emily is investigating the variation in daily mean windspeed for Leeming in 1987.
She used the large data set to select a sample from all 184 days.
a Describe how Emily could take a random sample of 20 days from the large data set for Leeming in 1987.
b Give a disadvantage of using a random sample.
c Suggest a more suitable sampling method.

Can someone help pls

Bump

Original post by almakhtoumk

Using a random numbers generator to select 20 days.
May not be representative of the whole sample.
Use another method like stratified or systematic? I don't know what you've been taught on this.

Hope that helped!