The measure of central tendency to determine the effectiveness can be the mean, median or mode
It is true that you can calculate the mean as a measure of central tendency for reading the email
How to determine the true statement?
The survey result is given as:
- Sample size, n = 40
- Enrolled in one course = 26
- Enrolled in three courses = 8
- Not enrolled = 6
To determine if the email is effective or not, we simply carry out a test of significance.
However, if the central of tendency is to be used to determine the effectiveness; it is best to use the mean.
Hence, it is true that you can calculate the mean as a measure of central tendency for reading the email
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