Consider the following results for two independent random samples taken from two populations. Sample 1 Sample 2 n1=50 n1=30 xbar1=13.6 xbar=11.1 pop mean 2.1 pop mean=3 What is the point estimate of...

Consider the following results for two independent random samples taken from two populations.

What is the point estimate of the difference between the two population means? (to 1 decimal)

Provide a 90  confidence interval for the difference between the two population means (to 2 decimals).
( ,  )

Provide a 95 confidence interval for the difference between the two population means (to 2 decimals).
( ,  )