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

Author Question: If all possible samples of size n are drawn from an infinite population with a mean of 15 and a ... (Read 79 times)

jparksx

  • Hero Member
  • *****
  • Posts: 570
on: Jun 24, 2018
If all possible samples of size n are drawn from an infinite population with a mean of 15 and a standard deviation of 5, then the standard error of the sample mean equals 1.0 for samples of size:
 a. 5 c. 25
  b. 15 d. None of these choices.

Question 2

If the coefficient of correlation is -0.81, then the percentage of the variation in y that is explained by the regression line is 81.
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

okolip

  • Sr. Member
  • ****
  • Posts: 362
Reply #1 on: Jun 24, 2018
Answer to Question 1

C

Answer to Question 2

F


jparksx

  • Member
  • Posts: 570
Reply 2 on: Jun 24, 2018
:D TYSM

deja

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Comparing allele and genotype frequencies in a population with the Hardy-Weinberg equation and a Pun Comparing allele and genotype frequencies in a population with the Hardy-Weinberg equation and a Pun
Natural selection of a population for dark coloration. Natural selection of a population for dark coloration.
Sun size comparison Sun size comparison
Bones change radically in size and shape from newborn to adult, as these cervical vertebrae demonstr Bones change radically in size and shape from newborn to adult, as these cervical vertebrae demonstr
Population distribution (dispersion) Population distribution (dispersion)
Opener A field of pumpkins, where size is under the influence of additive alleles Opener A field of pumpkins, where size is under the influence of additive alleles
Video: Coaductile pathway, Timing of contraction signal & Conduction system and ECG

For a complete list of videos, visit our video library