« previous next »

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 45 times)

sjones

  • Hero Member
  • *****
  • Posts: 520
on: Jun 20, 2018
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
Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

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?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Sample Student Externship Form Sample Student Externship Form
Sample prescriptions of antibiotics for dental infections. Sample prescriptions of antibiotics for dental infections.
Suppose that we have a sample space with five equally likely experimental outcomes: E1, E2, E3, ... Suppose that we have a sample space with five equally likely experimental outcomes: E1, E2, E3, ...
A random sample of 87 airline pilots recruited by an airline service had an average yearly ... A random sample of 87 airline pilots recruited by an airline service had an average yearly ...
(left) Urine sample from an unaffected person does not change color upon exposure to air. (right) Ur (left) Urine sample from an unaffected person does not change color upon exposure to air. (right) Ur
An archaeological sample contains 0.700 g of lead-206 and 2.144 g of uranium-238. Assume that ... An archaeological sample contains 0.700 g of lead-206 and 2.144 g of uranium-238. Assume that ...
Video: Global warming and its effect on climate change

For a complete list of videos, visit our video library