This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A random sample of 49 statistics examinations was taken. The average score, in the sample, was 84 ... (Read 67 times)

serike

  • Hero Member
  • *****
  • Posts: 542
on: Jun 24, 2018
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
Reply #1 on: Jun 24, 2018
Answer to Question 1

c

Answer to Question 2

b


serike

  • Member
  • Posts: 542
Reply 2 on: Jun 24, 2018
Gracias!

zacnyjessica

  • Member
  • Posts: 345
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Mars's average distance from the Sun is roughly 230 million km (1.5 AU) and its orbital period Mars's average distance from the Sun is roughly 230 million km (1.5 AU) and its orbital period
Sample communication analysis Sample communication analysis
Although average brain size increases gradually though time in H. erectus, individuals with small br Although average brain size increases gradually though time in H. erectus, individuals with small br
Sample of résumé content. Sample of résumé content.
Sample Inclusion for Various s Sample Inclusion for Various s
(left) Urine sample from an unaffected person does not change color upon exposure to air. (right) Ur (left) Urine sample from an unaffected person does not change color upon exposure to air. (right) Ur
Video: Apicomplexan life cycle Animation

For a complete list of videos, visit our video library