mean + SD | vs | median + IQR

Question 1

What is the main advantage of using the mean over the median in a dataset?

Answer 1

The mean takes into account all values in the dataset, providing a comprehensive measure of central tendency.

Question 2

True or False: Standard deviation is more sensitive to outliers than the interquartile range (IQR).

Answer 2

True

Question 3

Fill in the blank: The mean is often preferred in statistical analyses because it allows for ________ calculations, such as variance and standard deviation.

Answer 3

further

Question 4

Why might a researcher choose to use the median and IQR instead of the mean and standard deviation?

Answer 4

The median and IQR are less affected by outliers and skewed data, making them more robust for certain datasets.

Question 5

If the distribution is symmetric, then use what combination

Answer 5

Mean & Standard Deviation.

Question 6

If the distribution is skewed, then use what combination

Answer 6

Median & IQR