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

Author Question: A result is called statistically significant whenever a. the null hypothesis is true. b. the ... (Read 135 times)

elizabeth18

  • Hero Member
  • *****
  • Posts: 559
on: Jul 24, 2018
A result is called statistically significant whenever
 a. the null hypothesis is true.
  b. the alternative hypothesis is true.
  c. the p-value is less than or equal to the significance level.
  d. the p-value is larger than the significance level.

Question 2

Exam scores for a large introductory statistics class follow an approximate normal distribution with an average score of 56 and a standard deviation of 5 . The average exam score in your lab was 59.5 . The 20 students in your lab sections will be considered a random sample of all students who take this class. What is the probability that the average score of a random sample of 20 students exceeds 59.5?
 a. < 0.0001
  b. 0.0009
  c. 0.0026
  d. 0.2420


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

livaneabi

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 24, 2018
Answer to Question 1

C

Answer to Question 2

B


elizabeth18

  • Member
  • Posts: 559
Reply 2 on: Jul 24, 2018
Great answer, keep it coming :)

essyface1

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Deforestation and increased road-building in the Amazon Rainforest are a significant concern because Deforestation and increased road-building in the Amazon Rainforest are a significant concern because
Colles’ A break in the distal portion of the radius; often the result of reaching out to cushion a f Colles’ A break in the distal portion of the radius; often the result of reaching out to cushion a f
In 2008, the U.S. economy suffered a gaping wound as several trillion dollars were ripped out of it. In 2008, the U.S. economy suffered a gaping wound as several trillion dollars were ripped out of it.
The upper intake manifold, often called a plenum, attaches to the lower intake manifold. The upper intake manifold, often called a plenum, attaches to the lower intake manifold.
Moderate hash may or may not be significant for diagnosis. Moderate hash may or may not be significant for diagnosis.
result of DGUC result of DGUC
Video: Stretch reflex & Tendon reflex

For a complete list of videos, visit our video library