QUESTION 1

The Rathburn Manufacturing Company makes electric wiring, which it sells to contractors in the construction industry. Approximately 900 electric contractors purchase wire from Rathburn annually. Rathburn's director of marketing wants to determine electric contractors' satisfaction with Rathburn's wire. He developed a questionnaire that yields a satisfaction score between 10 and 50 for participant responses. A random sample of 35 of the 900 contractors is asked to completee a satisfaction survey. The satisfaction scores for the 35 participants are averaged to produce a mean satisfaction score.

CHOOSE THE CORRECT ANSWER FROM A - D

1) . What is the population for this study?

The population for this study is

a) The average satisfaction score for all 900 electric contractors in the population

b) the average satisfaction for the sample of thirty-five contractors

c) the randomly chosen group of thirty-five contractors

d) the 900 electric contractors who purchased Rathburn wire

2) What is the sample for this study?

The sample is

a) The average satisfaction score for all 900 electric contractors in the population

b) the average satisfaction for the sample of thirty-five contractors

c) the randomly chosen group of thirty-five contractors

d) the 900 electric contractors who purchased Rathburn wire

3) What is the statistic for this study?

The statistic is

a) The average satisfaction score for all 900 electric contractors in the population

b) the average satisfaction for the sample of thirty-five contractors

c) the randomly chosen group of thirty-five contractors

d) the 900 electric contractors who purchased Rathburn wire

4) What would be a parameter for this study?

The parameter is

a) The average satisfaction score for all 900 electric contractors in the population

b) the average satisfaction for the sample of thirty-five contractors

c) the randomly chosen group of thirty-five contractors

d) the 900 electric contractors who purchased Rathburn wire

QUESTION 2 (IMAGE INSERTED BELOW IS FOR QUESTION NUMBER 2)

CHOOSE THE CORRECT ANSWER FROM A - D

Classify each of the following as nominal, ordinal, interval, or ratio data.

1) The ranking of a company in theFortune500. -

a) interval

b) ordinal

c) nominal

d) ratio

2) The number of tickets sold at a movie theater on any given night.

a) interval

b) ordinal

c) nominal

d) ratio

3) The identification number on a questionnaire.

a) interval

b) ordinal

c) nominal

d) ratio

4) Per capita income. -

a) interval

b) ordinal

c) nominal

d) ratio

5) The trade balance in dollars.

a) interval

b) ordinal

c) nominal

d) ratio

6) Profit/loss in dollars. -

a) interval

b) ordinal

c) nominal

d) ratio

7) A company's tax identification. -

a) interval

b) ordinal

c) nominal

d) ratio

8) The Standard & Poor's bond ratings of cities based on the scales below:

a) interval

b) ordinal

c) nominal

d) ratio

Rating Grade Highest quality AAA High quality AA Upper medium quality A Medium quality BBB Somewhat speculative BB Low quality, speculative B Low grade, default possible CCC Low grade, partial recovery possible CC Default, recovery unlikely C