Question 1 of 20
0.0/ 1.0 Points
final grade data.xlsx
8
KB
An instructor wants to compare spread (variation) of final grades of students in her
online
class and face-to-
face class. The instructor selects 10 students randomly from each class and the following table shows the
final grades of those students.
See Attached Excel for Data.
The standard deviation of final grades for the face-to-face class is .Use the information to respond to the
following question:(keep 2 decimal places)

Question 2 of 20
0.0/ 1.0 Points
FTES
data.xlsx
8
KB
The population FTES for 2005–2006 through 2010–2011 was given in an updated report.
The data are reported here.
See Attached Excel for Data.
Mean: Calculate the mean. Round to one decimal place.

Question 3 of 20
1.0/ 1.0 Points
FTES
data.xlsx
8
KB
The population FTES for 2005–2006 through 2010–2011 was given in an updated report.
The data are reported here.
See Attached Excel for Data.
Standard Deviation: 167
Calculate the standard deviation. Round to one decimal place.

Part 2 of 8 - Box Plot Knowledge Check Homework Practice
2.0/ 2.0 Points
Question 4 of 20

1.0/ 1.0 Points
The length of the box in the boxplot portrays the

Feedback:IQR = Q3 - Q1
Question 5 of 20
1.0/ 1.0 Points
For a boxplot, the vertical line inside the box indicates the location of the
A. inter quartile range
B. mean
C. median
D. mode

Answer Key:C
Feedback:The Median is also known as Q2 or the second quartile value.

Part 3 of 8 - Displaying Data Knowledge Check Homework Practice
2.0/ 2.0 Points