The nurse researcher opts to use a measure of variability. Which ...

[mikaylakyoung]

The nurse researcher opts to use a measure of variability. Which measure of variability does the researcher recognize as being most unstable?
 
  a. Mean
  b. Median
  c. Range
  d. Semiquartile range

Question 2

The nurse researcher should report the mean, mode, and median of a variable in a research study in which case?
 
  a. When the distribution is uneven.
  b. When the distribution is wide.
  c. When the distribution is narrow.
  d. When the distribution is symmetrical.

[lorealeza]

Answer to Question 1

ANS: C

Feedback
A Mean is a measure of central tendency.
B Median is a measure of central tendency.
C The range is very likely to be changed by a single extreme score.
D The semiquartile range is more stable than the range; it is less likely to be changed by a single extreme score.

Answer to Question 2

ANS: D

Feedback
A This is an inaccurate statement.
B This is an inaccurate statement.
C This is an inaccurate statement.
D If the distribution of a variable of a sample is symmetrical and unimodal, the mean, mode, and median should be reported.

[mikaylakyoung]

Thank you

[lorealeza]

Happy to help you