« previous next »

Author Question: In assessing the normality of data, why is a normal probability plot especially advantageous for ... (Read 70 times)

big1devin

  • Hero Member
  • *****
  • Posts: 583
on: Jul 25, 2018
In assessing the normality of data, why is a normal probability plot especially advantageous for small samples?
 
  What will be an ideal response?

Question 2

The scores from a state standardized test have a bell-shaped distribution with a mean of 100 and a standard deviation of 15. Use the Empirical Rule to find the percentage of students with scores between 70 and 130.
 
  A) 95 B) 100 C) 99.7 D) 68


stanleka1

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Jul 25, 2018
Answer to Question 1

Because it is especially difficult to assess the shape of a histogram when the data set is small but it is relatively easy to judge whether a string of data points forms a straight line regardless of how many points you have (as long as you have at least three or so).

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Everyone has one nostril that is larger than the other.

Assessing a person's spiritual and religious beliefs is an imiportant aspect of nursing care Assessing a person's spiritual and religious beliefs is an imiportant aspect of nursing care
2 Several oxygen-binding curves: for normal hemoglobin 2 Several oxygen-binding curves: for normal hemoglobin
Normal lung volumes and capacities. Normal lung volumes and capacities.
Electronic service information is available from aftermarket sources, such as All-Data and ... Electronic service information is available from aftermarket sources, such as All-Data and ...
Complete the following production chart and plot the points. Complete the following production chart and plot the points.
Plot of Land (Modified Offset Method) Plot of Land (Modified Offset Method)
Video: Optic Nerve and Optic Disk Animation (Part 1 of 2)

For a complete list of videos, visit our video library