« previous next »

Author Question: If 15 of the individuals in the population are seniors, 19 are juniors, 20 are sophomores, and 46 ... (Read 105 times)

a0266361136

  • Hero Member
  • *****
  • Posts: 538
on: Jun 19, 2018
If 15 of the individuals in the population are seniors, 19 are juniors, 20 are sophomores, and 46 are freshmen, a representative sample will have _____ juniors.
 
  a. 46 c. 19
  b. 20 d. 15

Question 2

In order to estimate the height of all students at your university, let's assume you have measured the height of all psychology majors at the university. The average (mean) value of the measured height scores constitutes a _________.
 
  a. population c. parameter
  b. sample d. statistic


Bsand8

  • Sr. Member
  • ****
  • Posts: 327
Reply #1 on: Jun 19, 2018
Answer to Question 1

B
If a sample is representative, it possesses the same characteristics in the same proportions as the population.

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

a0266361136

  • Hero Member
  • *****
  • Posts: 538
Reply #2 on: Jun 19, 2018
Thank you


Bsand8

  • Sr. Member
  • ****
  • Posts: 327
Reply #3 on: Jun 19, 2018
No problem :)


« previous next »
 

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Anatomy of the Lotka-Volterra equations for predator-prey population growth. Anatomy of the Lotka-Volterra equations for predator-prey population growth.
World Population Growth, Past 10,000 years World Population Growth, Past 10,000 years
According to Kohlberg’s theory, only a few individuals, such as Martin Luther King, Jr. (left) and ... According to Kohlberg’s theory, only a few individuals, such as Martin Luther King, Jr. (left) and ...
Comparing Prison Inmates With The U.S. Population Comparing Prison Inmates With The U.S. Population
Population: Historic Patterns Population: Historic Patterns
Population and Settlement Population and Settlement
Video: Cardiac Cycle (Part 4 of 4)

For a complete list of videos, visit our video library