Test Bank For Elementary Statistics 3rd Edition By William
Navidi 9781259969454 Chapter 1-15 Complete Guide .
A book store wants to estimate the proportion of its customers who buy murder mysteries. A random
sample of 76 customers are observed at the checkout counter and the number purchasing murder
mysteries is recorded.
a.) Identify the variable
b.) Is the Variable quantitative or qualitative?
c.) What is the implied population? - ANSWER: a.) Number customers who buy murder mysteries
b.) Quantitative
c.) All the customers at the book store
For each of the following situations, identify the type of data-gathering (sampling, experiment,
simulation, or census) being done.
a.) Use computer graphics to determine the flight path of a golf ball when the position of the hand on
the golf club is changed.
b.) To determine which liberal arts courses students would like to see offered, each student who
registers for Spring is required to identify one course he or she would like to have. - ANSWER: a.)
Simulation
b.) Census
For the following question, tell the highest level of measurement (nominal, ordinal, interval, ratio) for
data the restaurant manager is collecting?
A restaurant manager is developing a clientele profile. Some of the information for the profile follows:
a.) Size of groups dining together
b.) Time of day the last diner of the evening departs?
c.) Age grouping: young, middle age, senior - ANSWER: a.) Ratio
b.) Interval
c.) Nominal
To determine the monthly rental prices of apartment units in the Albany area, samples were
constructed in the following ways. Categorize (cluster, convenience, simple random, stratified,
systematic) each sampling technique described.
a.) Divide the apartment units according to the number or bedrooms and then sample from each of
the groups.
b.) Call every 50th apartment complex listed on a website and record the rent of the unit with unit
number closest to 200. - ANSWER: a.) stratified
b.) systematic
Navidi 9781259969454 Chapter 1-15 Complete Guide .
A book store wants to estimate the proportion of its customers who buy murder mysteries. A random
sample of 76 customers are observed at the checkout counter and the number purchasing murder
mysteries is recorded.
a.) Identify the variable
b.) Is the Variable quantitative or qualitative?
c.) What is the implied population? - ANSWER: a.) Number customers who buy murder mysteries
b.) Quantitative
c.) All the customers at the book store
For each of the following situations, identify the type of data-gathering (sampling, experiment,
simulation, or census) being done.
a.) Use computer graphics to determine the flight path of a golf ball when the position of the hand on
the golf club is changed.
b.) To determine which liberal arts courses students would like to see offered, each student who
registers for Spring is required to identify one course he or she would like to have. - ANSWER: a.)
Simulation
b.) Census
For the following question, tell the highest level of measurement (nominal, ordinal, interval, ratio) for
data the restaurant manager is collecting?
A restaurant manager is developing a clientele profile. Some of the information for the profile follows:
a.) Size of groups dining together
b.) Time of day the last diner of the evening departs?
c.) Age grouping: young, middle age, senior - ANSWER: a.) Ratio
b.) Interval
c.) Nominal
To determine the monthly rental prices of apartment units in the Albany area, samples were
constructed in the following ways. Categorize (cluster, convenience, simple random, stratified,
systematic) each sampling technique described.
a.) Divide the apartment units according to the number or bedrooms and then sample from each of
the groups.
b.) Call every 50th apartment complex listed on a website and record the rent of the unit with unit
number closest to 200. - ANSWER: a.) stratified
b.) systematic
