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

Author Question: In 2012, seventy percent of Canadian households had an internet connection. A sample of 484 ... (Read 82 times)

jhjkgdfhk

  • Hero Member
  • *****
  • Posts: 569
on: Jun 24, 2018
In 2012, seventy percent of Canadian households had an internet connection. A sample of 484 households taken in 2013 showed that 75 of them had an internet connection. We are interested in determining whether or not there has been a significant increase in the percentage of the Canadian households that have internet connections.
 a. State the null and alternative hypotheses to be tested.
  b. Compute the test statistic.
  c. The null hypothesis is to be tested at the 5 level of significance. Determine the critical value(s) for this test.
  d. What do you conclude?

Question 2

Cluster sampling tends to provide better results when the elements within the clusters are
 a. homogeneous.
 b. heterogeneous.
 c. mutually inclusive.
  d. correlated.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lolol

  • Sr. Member
  • ****
  • Posts: 330
Reply #1 on: Jun 24, 2018
Answer to Question 1

a. H0: p  .70
Ha: p > .70
b. Test statistic z = 2.4 (rounded)
c. z.05 = 1.645
d. Reject H0 and conclude that there has been a significant increase.

Answer to Question 2

b


jhjkgdfhk

  • Hero Member
  • *****
  • Posts: 569
Reply #2 on: Jun 24, 2018
Thank you :)


lolol

  • Sr. Member
  • ****
  • Posts: 330
Reply #3 on: Jun 24, 2018
Happy to help you


« previous next »
 

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Canadian pointer Canadian pointer
The Canadian ballot is considerably simpler than the American ballot. Note there is nothing like a c The Canadian ballot is considerably simpler than the American ballot. Note there is nothing like a c
How would you rate your overall health?” The percent of adults answering “excellent” or ... How would you rate your overall health?” The percent of adults answering “excellent” or ...
Approximately 40 percent of farmers in the United States are 55 years old or older Approximately 40 percent of farmers in the United States are 55 years old or older
Children: A Chronological Approach, Canadian Edition Children: A Chronological Approach, Canadian Edition
Video: Cellular Defects - Osteoblasts, Osteoclasts and Osteocytes

For a complete list of videos, visit our video library