Find the Standard Deviation of the Data Summarized in the Given

question 89

Multiple Choice

Find the standard deviation of the data summarized in the given frequency distribution.
-A department store, on average, has daily sales of $29,112.90. The standard deviation of sales is $1500. On Tuesday, the store sold $35,669.13 worth of goods. Find Tuesday's z score. Was Tuesday an unusually good day?

• A)4.59, no
• B)3.50, no
• C)4.37, yes
• D)4.68, yes

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