BUSN 625 Applied Decision Making PS1

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-ps1/
1. $28.37, $21.40 are the stock prices of a particular month of Microsoft and Intel Corporations.
2. In a marketing study, 100 consumers were asked to select the best digital music player from
the iPod, the iRiver, and the Magic Star MP3. To summarize the consumer responses with a
frequency table, how many classes would the frequency table have?
3. 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

How many orders were studied?
4.
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
What is the midpoint of the first class?
5.

The weights (in pounds) of a sample of five boxes being sent by UPS are: 12, 6, 7, 3, and 10.
Compute the range.