This topic contains a solution. Click here to go to the answer

Author Question: A random sample of 49 statistics examinations was taken. The average score, in the sample, was 84 ... (Read 31 times)

serike

  • Hero Member
  • *****
  • Posts: 542
A random sample of 49 statistics examinations was taken. The average score, in the sample, was 84 with a variance of 12.25 . The 95 confidence interval for the average examination score of the population of the examinations is
 a. 80.48 to 87.52.
   b. 77.40 to 86.60.
   c. 82.99 to 85.01.
   d. 68.00 to 100.00.

Question 2

Statistical methods that generally require very few, if any, assumptions about the population distribution are known as
 a. parametric methods.
  b. nonparametric methods.
  c. free methods.
  d. distribution-fixed methods.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

verrinzo

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

c

Answer to Question 2

b




serike

  • Member
  • Posts: 542
Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review


tkempin

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

For a complete list of videos, visit our video library