STATISTICAL TECHNIQUES AND TOOLS
MEASURES OF CENTER AND SPREAD
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Which situation would require finding the median as an appropriate measure of center?
|
|
All of the temperatures recorded were all between 80 degrees and 90 degrees
|
|
|
All of the temperatures recorded were 55 degrees
|
|
|
A few of the temperatures recorded were very low or very high
|
|
|
The temperatures recorded were either 20 degrees or 25 degrees
|
Explanation:
Detailed explanation-1: -Solution: (i) When the values of data do not change much, then the mean is an appropriate measure of central tendency. (ii) When the values of data have very high or low values, then the median is an appropriate measure of central tendency.
Detailed explanation-2: -Median is the preferred measure of central tendency when: There are a few extreme scores in the distribution of the data. (NOTE: Remember that a single outlier can have a great effect on the mean).
There is 1 question to complete.