Question

7. You are a nurse manager in a memory care facility and want to design a research study with your residents with dementia (P) regarding the effects of interactive music therapy () compared to the current practice of watching a musical concert on TV eac afternoon (C) on the resident's level of social interaction (O). Before the study you examine demographic data of your residents and decide to use the most commonly occurring age of the residents to target your intervention. Identify this index of central tendency (w hich one is it) and explain why you chose it over the other options wer

Answer 1

A measure of central tendency is a single value that attempts to describe a set of data by identifying the central position within that set of data. I will the central tendency Mean . Mean is considered as the best measure of central tendency because of the following reasons :

It is rigidly defined.

Only the mean directly uses all the observations; it changes when any one of the observations is changed.

The mean is generally the one that is the least affected by sampling fluctuations.