Descriptive Statistics Flashcards
1
Q
What are the measures of central tendency?
A
Mean, median and mode.
2
Q
What is an advantage and a disadvantage of mean?
A
+Interval data.
-Influenced by outliers.
3
Q
What is an advantage and a disadvantage of median?
A
+Ordinal data.
-Doesn’t use all data.
4
Q
What is an advantage and a disadvantage of mode?
A
+Nominal data.
-Not useful if there are multiple modes.
5
Q
What are the measures of dispersion?
A
Range and standard deviation.
6
Q
What is an advantage and a disadvantage of range?
A
+Easy to calculate.
-Affected by extreme values.
7
Q
What is an advantage and a disadvantage of standard deviation?
A
+Precise measurements.
-Affected by extreme values.
8
Q
A
9
Q
The higher the standard deviation,
A
the further spread the data is from the mean.
