The following frequency table summarizes the ages of 60 shoppers at the local grocery store. The sample mean for the above frequency table is calculated as 36.25. Calculate the approximate sample standard deviation for this data set.
A) 192.49
B) 195.75
C) 26.83
D) 13.87
E) 13.99

Question

The following frequency table summarizes the ages of 60 shoppers at the local grocery store.  The sample mean for the above frequency table is calculated as 36.25. Calculate the approximate sample standard deviation for this data set.
A) 192.49 
B) 195.75 
C) 26.83 
D) 13.87 
E) 13.99

Quizplus · Accepted Answer

11ead627_0abb_0a0f_93a1_09435d7327e4_TB7056_00 s² =≅ 184.149 s == 13.57 years

The Following Frequency Table Summarizes the Ages of 60 Shoppers