Question 3:

The following data represent the amount of time (in minutes) a random sample of eight students in Sarah's PreCalculus course spent on their written homework assignment last week.

48	88	57	109
111	93	71	73

Provide values for the following descriptive statistics:

1. Mean
2. Median
3. IQR
4. Lower Fence
5. Upper Fence
6. Calculate the standard deviation by hand and show steps. Do not round any numbers until the final value of s. Round and report the value of s to the nearest hundredth (with two digits after the decimal point)
7. Identify outliers in the data set and explain your rationale for thinking that is an outlier