This topic contains a solution. Click here to go to the answer

Author Question: The grouped percentage frequency of a class interval plus the sum of the percentage frequencies of ... (Read 108 times)

asan beg

  • Hero Member
  • *****
  • Posts: 570
The grouped percentage frequency of a class interval plus the sum of the percentage
  frequencies of all lower class intervals is the _____ frequency of a distribution.
 
  a. cumulative grouped percentage
  b. cumulative grouped relative
  c. summated grouped percentage
  d. summated grouped relative

Question 2

The estimated population standard deviation will be equal to zero when _____ .
 
  a. a distribution is normal
  b. the mean, median and mode all have the same value
   c. all the scores in a distribution have the same value
  d. a distribution is unimodal and symmetrical



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kingfahad97

  • Sr. Member
  • ****
  • Posts: 308
Answer to Question 1

A

Answer to Question 2

C





 

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

For a complete list of videos, visit our video library