Help comprehending invnorm(uniform()) command in relation to homework

[Andrew Firth]

Dear friends,

Need some help comprehending invnorm(uniform()) command in relation to a homework, if anyone could explain or give some guidance in terns of the attached data and questions that would be very helpful,

All the best,

Andrew

[Maarten Buis]

its an old way of creating draws from a normal distribution

[Leonardo Guizzetti]

In addition to Maarten's explanation, the "modern" (for some definitions of the word) way of drawing randomly from a normal distribution in Stata is to use the -rnormal()- function.