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1) Ecommerce a large internet retailer is studying the lead time (elapsed time between when an order is placed and when it is filled) for a sample of recent orders
1) Ecommerce a large internet retailer is studying the lead time (elapsed time between when an order is placed and when it is filled) for a sample of recent orders. The lead times are reported in days
Lead Times (days) Frequency
0 up to 5 6
5 up to 10 7
10 up to 15 12
15 up to 20 8
20 up to 25 7
a.
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How many orders were studied? |
b.
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What is the midpoint of the first class? (Round your answer to 1 decimal place.) |
c.
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What are the coordinates of the first class for a frequency polygon assuming we draw a frequency polygon using the midpoints? (Round your answer to 1 decimal place.) |
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