A random sample of the SAT-M scores of 100 students, the mean was 504.5 and standard deviation 100. A random sample of the SAT-M scores of 30 students who too the test for the seond time this year was also obtained. Mean of these 30 scores was 539.1 while the standard deviation was 90. A 95% confidence interval for Mu2-Mu 1 is approximately?

Hey! We 've verified this expert answer for you, click below to unlock the details :)

I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!

Looking for something else?

Not the answer you are looking for? Search for more explanations.