• Problems
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17

Find the variance and standard deviation for the following data series:

12, 6, 7, 3, 15, 10, 18, 5.