1. Sales at Regan Realty totaled six homes for the week. They were as follows: $175,000; $180,000; $150,000; $190,000; $160,000; $90,000. Calculate the (a) mean and (b) median.
2. Computer Village counted the number of customers entering the store for a week. The results were: 1,095; 860; 1,095; 1,111; 865; 888; 1,000. What is the mode?
3. This semester, Dawn Pisai took four 3-credit courses at El Camino College. She received A's in Accounting and Business Math and B's in Logic and Psychology. What is her cumulative grade point average (assume A = 4, B = 3) to the nearest tenth?
4. Jim's cleaners reported the following sales for the first 10 days of July:

   $800	$900
   $400	$600
   $500	$100
   $800	$200
   $900	$300

   Prepare a frequency distribution.

5. Irwin/McGraw-Hill Publishing produced the following numbers of bound Business Math books during the first five weeks of last year:

   Week	Bound books
   1	5,000
   2	2,000
   3	3,000
   4	4,000
   5	1,000

   Prepare a bar graph.

6. Kelly Industries reported record profits of 20%. It stated in the report that sales costs were 50% and expenses were 30%. Prepare a pie graph for Kelly.
7. Today, a new Ford Explorer costs $37,000. In 1991, the Explorer cost $18,700. What is the price relative to the nearest tenth percent?
8. Calculate the standard deviation of the following data (to nearest hundredth):
   2    3    7    13    15
   

Click here for Calculations/Applications answers.