The acceptance rates at Connecticut colleges in 2014 are shown in the table below. Source: TheGrade from http://www.thegrade.co/r.

College	Acceptance rate
Yale University	5
United States Coast Guard Academy	22
Wesleyan University	24
Trinity College	34
Connecticut College	42
University of Bridgeport	54
University of Connecticut	52
Western Connecticut State University	59
Central Connecticut State University	59
Sacred Heart University	61
University of Connecticut Tri Campus	62
University of Connecticut Avery Point	61
University of Connecticut Stamford	61
Lyme Academy College of Fine Arts	64
Eastern Connecticut State University	63
University of Hartford	64
Fairfield University	63
Southern Connecticut State University	67
Mitchell College	74
Quinnipiac University	76
University of New Haven	84
University of Saint Joseph	93

Use the following stem plot of the acceptance data to answer the questions below.

Stems	Leaves
0	5
1
2	24
3	4
4	2
5	2499
6	111233447
7	46
8	4
9	3

1. How many colleges were included in the data set?
   
   
   
   
2. What is the lowest acceptance rate?
   
   
   
   
3. What is the highest acceptance rate?
   
   
   
   
4. Copy and paste the data table into a statistical software package and compute the mean of the acceptance rates (round your answer to 2 decimal places).