1.Jim Smith, a marketing student, observed how much each customer spent in a local convenience store.

$	16.21	$	4.33	$	13.55	$	8.40
	13.30		8.15		12.35		9.91
	12.10		9.66		6.45
	6.20		23.45		4.58

a. Based on the above results, prepare a frequency distribution.

Intervals				Frequency
$	0		$ 5.99
$	6.00		$11.99
$	12.00		$17.99
$	18.00		$23.99

2.

Use the following table.

Truck current cost	2012	$	47,500
Truck base year's cost	2008	$	32,500

Calculate the price relative. (Round your answer to the nearest tenth percent.)

Price relative %

3.Use the following table:

Value	Frequency
6	4
10	5
4	11
6	4

Find the weighted mean. (Round your answer to the nearest tenth.)

4.Angies Bakery bakes bagels. The June production is given below.

340	380	340	310	340
340	340	190	380	190
340	270	340	340	380
340	310	190	340	190
340	270	310	380	340
310	380	340	340	380

Find the weighted mean. (Round answer to the nearest whole number.)

5.Use the following table:

$	397	$	330	$	375	$	418	$	412
	349		449		493		211		301
	230		532		348		283		581

Prepare a frequency distribution from the above weekly salaries of teachers at Moore Community College. Use the following intervals:

Salaries				Frequency
$	200		$299.99
	300		399.99
	400		499.99
	500		599.99
\

How many degrees on a circle graph would each be given from the following? (Round your answers to the nearest tenth.)

Wear digital watch	47	%		o
Wear traditional watch	51	%		o
Wear no watch	2	%		o

Use the following table:

Courses	Credits	Grade
Computer Principles	6	D
Business Law	7	F
Logic	6	A
Biology	8	C
Marketing	7	D

A = 4, B = 3, C = 2, D = 1, F = 0 Calculate the grade-point average. (Round your answer to 2 decimal places.) Grade-point average