the mean length of beethoven's nine symphonies is 37 minutes; the standard deviation is 12 minutes...all of the following data values lie within how many standard deviations of the mean?...27 min, 30 min, 47 min, 35 min, 30 min, 40 min, 35 min, 22 min, 65 min.
a. 1 sd
b. 2 sd
c. 3 sd
d. 4 sd

Question

the mean length of beethoven's nine symphonies is 37 minutes; the standard deviation is 12 minutes...all of the following data values lie within how many standard deviations of the mean?...27 min, 30 min, 47 min, 35 min, 30 min, 40 min, 35 min, 22 min, 65 min. 
a. 1 sd
b. 2 sd
c. 3 sd
d. 4 sd

anonymous · Answer

I think the answer is choice D, 4 standard deviations.

anonymous · Answer

thank you!!