This question has two parts with multiple items to answer.
You are a psychologist who has collected the subjective well-being scores of a number of elderly people aged 90 or above who are residents of an independent living facility or who are still living independently in their homes.
A. For each group calculate the values listed below:
e. Variance (for describing the data)
f. Standard deviation (for describing the data)
g. The unbiased estimate of the variance
h. The unbiased estimate of the standard deviation