The following frequency distribution represents the number of hours studied per week by a sample of 50 students. (See the Excel Data File.) The standard deviation of the number of hours studied is ________.
A) 1.89
B) 2.79
C) 3.50
D) 3.56
Correct Answer:
Verified
Q115: Which of the following relationships can be
Q116: The _ identifies the number of standard
Q117: An investor bought common stock of Blackstone
Q118: The average class size this semester in
Q119: The following data represent the wait time,
Q121: Three investment options are under consideration for
Q122: The director of graduate admissions is analyzing
Q123: The following is a list of the
Q124: There are five rows of students seated
Q125: The data show operating expenses (in millions)
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents