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Author Question: The nurse researcher opts to use a measure of variability. Which measure of variability does the ... (Read 136 times)

mikaylakyoung

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on: Jul 8, 2018
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

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Reply #1 on: Jul 8, 2018
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.


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mikaylakyoung

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Reply #2 on: Jul 8, 2018
Thank you :)


lorealeza

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Reply #3 on: Jul 8, 2018
Happy to help you


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