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Author Question: The mean of the following set of numbers (12, 4, 13, 20, 4, 10, 14) is: a. 4. b. 10. c. 11. d. ... (Read 45 times)

Zoey63294

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The mean of the following set of numbers (12, 4, 13, 20, 4, 10, 14) is:
 
  a. 4.
  b. 10.
  c. 11.
  d. 17.

Question 2

The median of the following set of numbers (12, 4, 13, 20, 4, 10, 14) is:
 
  a. 4.
  b. 11.
  c. 12.
  d. 17.



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djofnc

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Answer to Question 1

ANS: C
The mean refers to the sum of the scores divided by the number of scores being summed. The sum of scores in this example equals 77. Seventy-seven divided by 7, the number of scores, equals 11.
Four occurs most often in the list and is therefore the mode.
Ten is an incorrect answer. The mean refers to the sum of the scores divided by the number of scores being summed.
Seventeen is an incorrect answer. The mean refers to the sum of the scores divided by the number of scores being summed.

Answer to Question 2

ANS: C
The median is the score at the exact center of the frequency distribution after scores are placed in rank order. In the example, the rank order of scores is (4, 4, 10, 12, 13, 14, 20). The score at the exact center of the distribution, then, is 12.
Four occurs most often in the list and is therefore the mode.
Eleven is the mean of the distribution. The median is the score at the exact center of the frequency distribution after scores are placed in rank order.
Seventeen is an incorrect answer. The median is the score at the exact center of the frequency distribution after scores are placed in rank order




Zoey63294

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Reply 2 on: Jul 8, 2018
:D TYSM


CAPTAINAMERICA

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Reply 3 on: Yesterday
Excellent

 

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