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QUESTION
A random sample of 100 customers was chosen in UMUC MiniMart between 3:00 and 4:00 PM on a Friday afternoon. The frequency distribution below shows...
- (a) Complete the frequency table with frequency and cumulative relative frequency. Express the cumulative relative frequency to two decimal places.
- (b) What percentage of the checkout times was less than 3 minutes?
- (c) Which of the following checkout time groups does the median of this distribution belong to? 1.0 - 1.9, 2.0 - 2.9, 3.0 - 3.9, 4.0 - 5.9, or 6.0 - 6.9? Why?
(i can post a picture of the table if that makes it easier)
