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

Author Question: A researcher takes a sample from a population and computes a statistic for the sample. Which of the ... (Read 182 times)

Pineapplelove6

  • Hero Member
  • *****
  • Posts: 560
A researcher takes a sample from a population and computes a statistic for the sample. Which of the following statements is correct?
 
  a. If the sample statistic overestimates the corresponding population parameter, then the statistic is biased.
  b. If the sample statistic underestimates the corresponding population parameter, then the statistic is biased.
  c. If the sample statistic is equal to the corresponding population parameter, then the statistic is unbiased.
  d. None of the other statements is correct.

Question 2

A sample of n = 6 scores has a standard deviation of s = 3 . What is the value of SS, the sum of the squared deviations for this sample?
 
  a. 54 c. 18
  b. 45 d. 15



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

wergv

  • Sr. Member
  • ****
  • Posts: 365
Answer to Question 1

D

Answer to Question 2

B




Pineapplelove6

  • Member
  • Posts: 560
Reply 2 on: Jun 20, 2018
:D TYSM


cici

  • Member
  • Posts: 325
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

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.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

For a complete list of videos, visit our video library