QNT 351 Week 2 MyStat Lab
1.Choose the correct answer bellow:
2. Explain the difference between
qualitative and quantitative data
3. Explain how populations and variables
differ. Choose the correct answer bellow:
4. Define statistical thinking. Choose the
correct answer bellow:
5. Suppose youâre given a data set that
classifies each sample unit into one of four categories: A,B,C or D. You plan
to create a computer database consisting of these data, and you decide to code
the data as A=, B=, C=3, and D=4. Are the data consisting of the
classifications A, B, C, and D qualitative or quantitative? After the data are
input as 1, 2, 3, or 4, are they qualitative or quantitative?
6. A company tracked all credit card
purchases during the year 2005 and measured two variables: (1) the cardholderâs
town of residence, and (2) the amount (in dollars) of each monthly payment
a.
identify the type (qualitative or quantitative) of each variable measured
b.
does the data set collected represent a population or a sample?
7. Identify each of the following
variables as qualitative or quantitative
a.
college major
b.
distance of commute to work
c.
number of pets in a family
d.
natural hair color
8. Identify each of the following
variables as qualitative or quantitative
a. Eye
color
b.
Number of brothers and sisters
c.
Size of home
d.
Political party preference
9. A company surveyed a random sample of
10,000 employees in the region. One question the asked was, â If your employer
provides you with mentoring opportunities are you likely to remain in your job
for the next five years?â The found that 730 members of the sample said yes.
a.
Identify the population of interest in the company
b.
Based on the question posed by the company what is the variable of interest?
c.
Is the variable quantitative or qualitative?
d.
Describe the sample
10. Identify each of the following
variables as qualitative or quantitative
Amount one
paid on taxesStorage space
on a computer driveNationalityFavorite baby
name
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