Independent random samples of sizes n1 = 16 and n2 = 25 from normal populations with 1

Question:

Independent random samples of sizes n1 = 16 and n2 = 25 from normal populations with σ1 = 4.8 and σ2 = 3.5 have the means 1 = 18.2 and 2 = 23.4. Find a 90% confidence interval for µ1 – µ2.
Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question
Question Posted: