AP PSYCHOLOGY

RESEARCH METHODS THINKING CRITICALLY WITH PSYCHOLOGICAL SCIENCE

THE SCIENTIFIC METHOD AND DESCRIPTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of these is an advantage of calculating the mean?
A
It uses all of the data
B
It can be used on nominal data
C
It can be used on ordinal data
D
None of the above
Explanation: 

Detailed explanation-1: -Advantages of a mean: The most commonly used measures of central tendency so it is easy to calculate. It takes all values into account. Useful for comparison.

Detailed explanation-2: -The mean is used to summarize a data set. It is a measure of the center of a data set.

Detailed explanation-3: -Advantage of the mean: The mean can be used for both continuous and discrete numeric data. Limitations of the mean: The mean cannot be calculated for categorical data, as the values cannot be summed.

Detailed explanation-4: -It is important to detect outliers within a distribution, because they can alter the results of the data analysis. The mean is more sensitive to the existence of outliers than the median or mode.

There is 1 question to complete.