Boost your Grades with us today!

  • support@briskessays.com
Order Paper Now
Whatsapp Facebook Twitter

BRISK ESSAYS

Place Order

solution

Earlier in this chapter, a 95% confidence interval for the mean (σ known) was calculated for the SAT example (N = 12). Assuming the sample mean (X ¯ = 550.00) and population standard deviation (σ = 100) stay the same …

a. What is the confidence interval for the mean for N = 25 students rather than 12?

b. What is the confidence interval for the mean for N = 50 students rather than 12?

c. What is the confidence interval for the mean for N = 100 students rather than 12?

 d. What is the effect of increasing sample size on the width of the confidence interval?

Solution:

15% off for this assignment.

Our Prices Start at $11.99. As Our First Client, Use Coupon Code GET15 to claim 15% Discount This Month!!

Why US?

100% Confidentiality

Information about customers is confidential and never disclosed to third parties.

Timely Delivery

No missed deadlines – 97% of assignments are completed in time.

Original Writing

We complete all papers from scratch. You can get a plagiarism report.

Money Back

If you are convinced that our writer has not followed your requirements, feel free to ask for a refund.