Author Question: If the average adult male in the United States is 5' 9 tall, and the standard deviation for height ... (Read 235 times)

fbq8i

  • Hero Member
  • *****
  • Posts: 527
If the average adult male in the United States is 5' 9 tall, and the standard deviation for height is 2, approximately how many adult males would you expect to be between 5' 7 and 5'11 tall?
 
  a. 50 of them
  b. 66.7 of them
  c. 75 of them
  d. 90 of them

Question 2

The interquartile range
 
  a. is the 50th percentile score in a data set.
  b. contains as few as 25 of scores or as many as 75 of scores in a data set
  c. contains the middle 50 of scores in a data set.
  d. is the same as the range.



underwood14

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

B

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

For a complete list of videos, visit our video library