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Author Question: Any data value with a z-score less than 3 or greater than +3 is considered to be a(n) a. outlier. ... (Read 93 times)

nelaaney

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on: Jun 24, 2018
Any data value with a z-score less than 3 or greater than +3 is considered to be a(n)
 a. outlier. b. usual value.
  c. whisker. d. z-score value.

Question 2

For data having a bell-shaped distribution, approximately _____ percent of the data values will be within one standard deviation of the mean.
 a. 95 b. 66
  c. 68 d. 97


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abro1885

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

a
RATIONALE: Any data value with a z-score less than 3 or greater than +3 is treated as an outlier.

Answer to Question 2

c
RATIONALE: Approximately 68 percent of the data values will be within one standard deviation of the mean for data having a bell-shaped distribution.


nelaaney

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Reply 2 on: Jun 24, 2018
Gracias!

smrtceo

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Reply 3 on: Yesterday
Excellent

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