Directions: Please circle or fill in the BEST answer from the given choices.

1. We refer to the facts and figures collected, analyzed, and summarized for presentation and interpretation as:
   1. Intervals
   2. Data
   3. Frequency distributions
2. Part of the data bank of a corporation is shown below. Employee Number is an example of _____________ data.
   1. Nominal
   2. Ordinal
   3. Interval
   4. Ratio

Employee ID Number	Gender	Department	Years of Experience	Employee Rank (1 - 10)	Yearly Salary
23450	Male	Accounting	15	10	$ 52,443.00
34568	Female	IT	24	7	$111,239.00
23123	Female	Personnel	20	4	$ 84,473.00

1. The sample size
   1. Can be larger than the population size
   2. Is always smaller than the population size
   3. Can be larger or smaller than the population size
   4. Is always equal to the size of the population

1. In a random sample of 200 items, 5 items were defective. An estimate of the percentage of defective items in the population is
   1. 5.0%
   2. 2.5%
   3. 200
   4. 10.0%

	Sales per Employee (In $1,000s)	Sales Rank
Company
Seagate Technology	42.20	285
SSMC	42.19	414
Russel	41.99	480
Maxxam	40.88	485
Dibrell Brothers	22.56	470

1. How many elements are in the data set above?__________

1. How many variables are in the data set above?__________

1. How many observations are in the data set above?__________

	Age of Students	Number of Students
	15 - 19	15
	20 - 24	15
	25 - 29	25
	30 - 34	35
	35 - 39	10_
		Total 100

1. Of the students in the sample above, what percentage is younger than 20 years of age?

______________

1. What percentage is at least 30 years of age?

______________

1. Based on this sample, what percentage of the students at the school do you estimate to be younger than 25 years of age?

______________

1. In constructing a frequency distribution, as the number of classes are decreased, the class width
   1. Decreases
   2. Remains unchanged
   3. Increases

1. When a histogram has a longer tail to the right, it is said to be
   1. Symmetrical
   2. Skewed to the left
   3. Skewed to the right
   4. None of the above

1. A ____________ relationship appears to exist between variables x and y