Question

Five Smithtown High School students are saving up to buy their first cars. They all have after-school jobs, and their weekly sala-ries are listed in the table. (Table: Emily $110, Sam $145, Danielle $130, Katie $160, Stephanie $400)

a. What is the mean weekly salary for these students?
b. What is the median salary?
c. Whose salary would you consider to be an outlier?
d. Which number do you think is better representative of the data, the mean or the median?
e. Explain your answer to part d.

Answer 1

A.) $189

B.) $145✔️ | *(not $130❌)*

C.) Stephanie's

D.) Median✔️ | *(not "mean"❌)

E.) Because there is an outlier, the median is better representative than the mean.

Answer 2

A. $189.

B. $130.

C. Stephanie's.

D. The Mean.

E. The mean is the average of the data. The Median is just the middle number which doesn't reveal all that much about the data.