Over the past 30 days, Kim recorded the number of hours that she slept each night.The frequency table below summarizes her sleep habits.Treating the data as a sample, what is the variance of Kim's nightly hours of sleep, in hours squared?
A)1.07
B)1.14
C)3.50
D)33.20
E)6.2

Question

Over the past 30 days, Kim recorded the number of hours that she slept each night.The frequency table below summarizes her sleep habits.Treating the data as a sample, what is the variance of Kim's nightly hours of sleep, in hours squared? 
A)1.07 
B)1.14 
C)3.50 
D)33.20 
E)6.2

Quizplus · Accepted Answer

The Answer of Over the past 30 days, Kim recorded the number of hours that she slept each night.The frequency table below summarizes her sleep habits.Treating the data as a sample, what is the variance of Kim's nightly hours of sleep, in hours squared? 
A)1.07 
B)1.14 
C)3.50 
D)33.20 
E)6.2

Over the Past 30 Days, Kim Recorded the Number of Hours