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Question 9 4 pts The following table shows the number of pieces of junk mail that arrives in my mailbox each day. Number of Pieces

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Question 9 4 pts The following table shows the number of pieces of junk mail that arrives in my mailbox each day. Number of Pieces of Junk Mail Frequency 2 2 3 14 4. 6. 5 16 6 12 What is the standard deviation for the number of pieces of junk mail received per day? O 1.24 O 0.91 O 2.06 O 2.57

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