1-You have funds invested in a mutual fund of S&P 500 stocks. Over the last 5 years, the annual percent returns of the S&P 500 are 19.42%, 6.24%, 28.88%, 16.26%, and 14.49%.

What is the average annual percent return on the S&P 500 stocks over the last 5 years?

Note: Round your answer to 2 decimal places.

2-The table shows the average tuition and fees for a year of college at a public and a private college in 2011 to 2012 and 2021 to 2022. For the period between 2011 to 2012 and 2021 to 2022,

Type of College2011 to 20122021 to 2022Public (four-year)$8,277$10,371Private (four-year)$28,555$38,240

Required:

a. & b. What is the annual rate of change in the cost to attend each type of college?

Note: Round your answers to 2 decimal places.

3-A recent study of the laundry habits of Americans included the time in minutes of the wash cycle. A sample of 40 observations follows.

31483640294045483043414744472630304229343634284130333842363336324336264340264340

Click here for the Excel Data File

Determine the mean and the median of a typical wash cycle.

Note: Round the "Mean" to 3 decimal places and the "Median" to 1 decimal place.