# How many orders were studied?

Ecommerce.com a large Internet retailer is studying the lead time (elapsed time between when an or Show more Ecommerce.com 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 Time (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 Total 40 a. How many orders were studied? Number of orders b. What is the midpoint of the first class? (Round your answer to 1 decimal place.) Midpoint c. 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.) x = y = Ecommerce.com 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 Time (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 Total 40 a. How many orders were studied? Number of orders b. What is the midpoint of the first class? (Round your answer to 1 decimal place.) Midpoint c. 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.) x = y = Show less