Explain the relationship between the terms population, sample, ...

[nevelica]

Explain the relationship between the terms population, sample, representative sample, random selection, and random sample.
 
  What will be an ideal response?

Question 2

Which hypothesis is problematic because it cannot be tested?
 
  a. People worry too much about stress.
 b. Children can learn to decrease their stress levels faster than adults.
  c. There would be less stress today if 9/11 had never occurred.
 d. People use stress as an excuse to be rude.

[Madisongo23]

Answer to Question 1

In research, we use random selection to generate a random sample from the population. The sample is the group of people we study and the population is the larger group of people about whom we are trying to draw conclusions. When we randomly select, we are more likely to draw a sample that is representative of the population, or like the population on important characteristics.

Answer to Question 2

c

[nevelica]

Excellent

[debra928]

TYSM