Question

Include null and alternate hypothesis, a p-value, and a conclusion PRIVATE about the null hypothesis A...

Include null and alternate hypothesis, a p-value, and a conclusion PRIVATE about the null hypothesis

A study was conducted to estimate the difference in the mean salaries of elementary school teachers from two neighboring states. A sample of 10 teachers from the Indiana had a mean salary of $28,900 with a standard deviation of $2300. A sample of 14 teachers from Michigan had a mean salary of $30,300 with a standard deviation of $2100. Determine a 95% confidence interval for the difference between the mean salary in Indiana and Michigan.(Assume population variances are different.)

0 0
Add a comment Improve this question Transcribed image text
Answer #1

PgNo Answer:- Given data, mizlo = $28900 20 = $ 3€ 300 na -14 51 = $2300 92= $ 2100 Assume that variances are different, we wPg No@ 0,- ) q 13 712336000000 38726136 752.13675 df = 18.8941 Idf ~ 18 | P-value: P-value = 0.1456 Decision : if p-value > QpqNo 3 95% confidence Interval for Mi and Ma is . P(14 > tale) = 0,95 Plotala <t < talla) = 0.95 Pl-10.025,18 <601-327) -(4-4

Add a comment
Know the answer?
Add Answer to:
Include null and alternate hypothesis, a p-value, and a conclusion PRIVATE about the null hypothesis A...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT