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Author Question: Identify each of the following as a use of descriptive statistics or inferential statistics. a. ... (Read 88 times)

WWatsford

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on: Jun 24, 2018
Identify each of the following as a use of descriptive statistics or inferential statistics.
 a. Finding the weights of a sample of 85 manufacturer parts.
  b. Calculating the average weight of 125 boxes shipped by FedEx.
  c. Estimating the percentage of the U.S. population that will vote for your favorite candidate in the next presidential election.
  d. Selecting a random sample of 190 babies born last year and using this information to estimate the birth weight of all babies born last year.
  e. Randomly selecting 225 cans of a brand of peas and using their average weight to decide whether the 15 oz. label on the cans is truthful or not.

Question 2

The numerical value of the coefficient of determination _____.
 a. is always larger than the coefficient of correlation
  b. is always smaller than the coefficient of correlation
  c. is negative if the coefficient of determination is negative
  d. can be larger or smaller than the coefficient of correlation


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BUTTHOL369

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Reply #1 on: Jun 24, 2018
Answer to Question 1

a. Descriptive statistics
b. Descriptive statistics
c. Inferential statistics
d. Inferential statistics
e. Inferential statistics

Answer to Question 2

d


WWatsford

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Reply 2 on: Jun 24, 2018
Gracias!

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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