Ex1 Quantitative Business Analysis (Accurate Answers only)

Question 1 (1 point)

The social security number is considered what type of variable?

a	a quantitative variable
b	either a quantitative or a qualitative variable
c	an exchange variable
d	a categorical or qualitative variable

Question 2 (1 point)

In a random sample of 200 items, five items were defective. An estimate of the percentage of defective items in the population is ___.

a	5.0%
b	2.5%
c	200
d	10.0%

Question 3 (1 point)

In a sample of 400 students in a university, 80, or 20%, are Business majors. Based on the above information, the school's paper reported that "20% of all the students at the university are Business majors." This report is an example of ___.

a	a sample
b	a population
c	statistical inference
d	descriptive statistics

Question 4 (1 point)

Sample is defined as (a) _____.

a	size of fifty or larger
b	subset of a population
c	biased
d	descriptive statistics

Question 5 (1 point)

All the data collected in a particular study are referred to as the ___.

a	inference
b	variable
c	data set
d	none of the above

Question 6 (1 point)

GPA is an example of a variable that uses ____.

a	the ratio scale
b	the interval scale
c	the ordinal scale
d	either the ratio or the ordinal scale

Question 7 (1 point)

All the data collected in a particular survey is referred to as a ____.

a	table
b	variable
c	data set
d	population

Question 8 (1 point)

In a random sample of 100 items, five items were defective. An estimate of the percentage of non-defective items in the population is ____.

a	5%
b	2.5%
c	200
d	95%

Question 9 (1 point)

You surveyed the first 20 students visiting Monday morning at the student center regarding their weekend study habits. This is an example of a ____.

a	representative sample
b	population
c	biased sample
d	random sample

Question 10 (1 point)

In a questionnaire, respondents were asked whether they ever served in the military. Respondents answering yes or no is an example of a(n) ____.

a	ordinal scale
b	nominal scale
c	ratio scale
d	interval scale