Author Question: A sample has a mean of M = 90 . If each score in the sample is multiplied by 5, then what is the ... (Read 47 times)

sjones

  • Hero Member
  • *****
  • Posts: 520
A sample has a mean of M = 90 . If each score in the sample is multiplied by 5, then what is the mean for the new distribution?
 
  a. 18 c. 95
  b. 85 d. 450

Question 2

A population has a mean of  = 30 . If 3 points are added to each score, what is the mean for the new distribution?
 
  a. 27
  b. 30
  c. 33
  d. Cannot be determined from the information given



honnalora

  • Sr. Member
  • ****
  • Posts: 325
Answer to Question 1

D

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

For a complete list of videos, visit our video library