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Author Question: If we multiply a set of data by a constant, such as converting feet to inches, we will a. leave ... (Read 57 times)

MGLQZ

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on: Jun 20, 2018
If we multiply a set of data by a constant, such as converting feet to inches, we will
 
  a. leave the mean and variance unaffected.
  b. multiply the mean and the standard deviation by the constant.
  c. multiply the mean by the constant but leave the standard deviation unchanged.
  d. leave the mean unchanged but alter the standard deviation.

Question 2

Which of the following sets of data is likely to have the smallest standard deviation?
 
  a. the distribution of SAT scores for students from your high school
  b. the distribution of heights of students in an elementary school
  c. the grade point averages of students from your high school's honors biology class
  d. the amount that you and your friends pay for college tuition


Tonyam972

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Reply #1 on: Jun 20, 2018
Answer to Question 1

B

Answer to Question 2

C


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