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 88 times)

nelaaney · **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

abro1885 · **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.