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

Author Question: Developing countries tend to have A) shrinking overall populations. B) large populations of young ... (Read 412 times)

leilurhhh

  • Hero Member
  • *****
  • Posts: 560
on: Jun 29, 2018
Developing countries tend to have
 A) shrinking overall populations.
  B) large populations of young people.
  C) an increasing number of older people.
  D) stable, unchanging populations.

Question 2

Suppose that you wanted to run a two-tail test so that you were 95 percent confident of your result. You are using a 5-point rating scale, and your sample of 144 respondents had a mean score of 2.13 with a standard deviation of 0.56 on question 1 . on the survey. The critical t value is 1.96 . The confidence interval about the mean for this survey question is APPROXIMATELY:
 a. 1.03 to 3.27
 b. 1.86 to 2.97
 c. 2.04 to 2.22
 d. none of these choices.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

samiel-sayed

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jun 29, 2018
Answer to Question 1

B

Answer to Question 2

c


leilurhhh

  • Hero Member
  • *****
  • Posts: 560
Reply #2 on: Jun 29, 2018
Correct answers!


samiel-sayed

  • Sr. Member
  • ****
  • Posts: 337
Reply #3 on: Jun 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

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).

The age structure of human populations in West Africa and Western Europe, as of 2000. The age structure of human populations in West Africa and Western Europe, as of 2000.
Possible interactions among populations. Possible interactions among populations.
Aerial and close-up views of a large biodiversity experiment in Cedar Creek, Minnesota. Each of the Aerial and close-up views of a large biodiversity experiment in Cedar Creek, Minnesota. Each of the
Middle age brings greater career satisfaction than young adulthood, sometimes through major job ... Middle age brings greater career satisfaction than young adulthood, sometimes through major job ...
Typical Night’s Sleep for a Young Adult Typical Night’s Sleep for a Young Adult
Age structure for three countries (China) Age structure for three countries (China)
Video: Genetic terms Animation

For a complete list of videos, visit our video library