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The hours a shop assistant spends cleaning the store in eight successive weeks are 8, 9, 12, 10, 10, 8, 5, 10. ( a). Calculate the mean for this set of data. (b). How many hours would the shop assistant need to clean in the ninth week for the mean to equal 10

User Asped
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Answer:

a. 9 b. 18

Explanation:

User Mustafa Chelik
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