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

Author Question: A researcher takes a sample from a population and computes a statistic for the sample. Which of the ... (Read 235 times)

Pineapplelove6

  • Hero Member
  • *****
  • Posts: 560
on: Jun 20, 2018
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
Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

B


Pineapplelove6

  • Member
  • Posts: 560
Reply 2 on: Jun 20, 2018
Wow, this really help

atrochim

  • Member
  • Posts: 331
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

A small sample of the great diversity of seed sizes and shapes. A small sample of the great diversity of seed sizes and shapes.
Population and Settlement Population and Settlement
Sample Daily Log For Holistic Self-Care Plan. Sample Daily Log For Holistic Self-Care Plan.
Population growth and growth rate, 1950 - 2100 Population growth and growth rate, 1950 - 2100
Average Annual Growth Rates of Population by Country Group Average Annual Growth Rates of Population by Country Group
A 230.0-mL sample of a 0.275 M solution is left on a hot plate overnight; the following morning ... A 230.0-mL sample of a 0.275 M solution is left on a hot plate overnight; the following morning ...
Video: Egg and Sperm Formations in Animals Animation

For a complete list of videos, visit our video library