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

Author Question: Explain what the statement of the null hypothesis represents in hypothesis testing. Give an ... (Read 1260 times)

wrbasek0

  • Hero Member
  • *****
  • Posts: 560
on: Jul 24, 2018
Explain what the statement of the null hypothesis represents in hypothesis testing. Give an example.

Question 2

Suppose on a highway with a speed limit of 65 mph, the speed of cars are independent and normally distributed with an average speed = 65 mph and standard deviation = 5 mph. What is the standard deviation for the sample mean speed in a random sample of n = 10 cars?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Eunice618

  • Sr. Member
  • ****
  • Posts: 350
Reply #1 on: Jul 24, 2018
Answer to Question 1

The null hypothesis is the status quo, or no relationship, or no difference. An example of a null hypothesis is that there is no difference between the proportion of men and women who favor the death penalty.

Answer to Question 2

1.58 mph


wrbasek0

  • Member
  • Posts: 560
Reply 2 on: Jul 24, 2018
Excellent

AmberC1996

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Jacob, Monod, and Pardee's hypothesis for the function of the lacI region Jacob, Monod, and Pardee's hypothesis for the function of the lacI region
The intermediate-disturbance hypothesis of community organization. The intermediate-disturbance hypothesis of community organization.
The trophic cascade hypothesis. The trophic cascade hypothesis.
Culture and sensitivity testing. Culture and sensitivity testing.
Testing rapid alternating movement, palm down Testing rapid alternating movement, palm down
Please explain the different Rf values for xanthophyll’s in paper chromatography compared to ... Please explain the different Rf values for xanthophyll’s in paper chromatography compared to ...
Video: Stress and Immune System Animation

For a complete list of videos, visit our video library