INSTRUCTOR SOLUTION MANUAL FOR
ELEMENTARY STATISTICS 2 ACTUAL EXAM
PAPER 2026 QUESTIONS SOLUTIONS GRADED
A+
◉ From past figures, it is predicted that 19% of the registered voters
in California will vote in the June primary.
Answer: descriptive statistics
◉ Determine whether the data are qualitative or quantitative.
the number of seats in a movie theater
Answer: quantitative
◉ Identify the data set's level of measurement.
hair color of women on a high school tennis team
Answer: nominal
◉ Identify the data set's level of measurement.
,number of milligrams of tar in 85 cigarettes
Answer: ratio
◉ Identify the data set's level of measurement.
the ratings of a movie ranging from "poor" to "good" to "excellent"
Answer: ordinal
◉ Identify the data set's level of measurement.
the final grades (A, B, C, D, and F) for students in a statistics class
Answer: ordinal
◉ Identify the data set's level of measurement.
the nationalities listed in a recent survey (for example, Asian,
European, or Hispanic).
Answer: nominal
◉ Identify the data set's level of measurement.
manuscripts rated "acceptable" or "unacceptable"
,Answer: ordinal
◉ Identify the data set's level of measurement.
the lengths (in minutes) of the top ten movies with respect to ticket
sales in 2007
Answer: ratio
◉ Decide which method of data collection you would use to collect
data for the study. Specify either observational study, experiment,
simulation, or survey.
A study where a drug was given to 23 patients and a placebo to
another group of 23 patients to determine if the drug has an effect
on a patient's illness
Answer: experiment
◉ Decide which method of data collection you would use to collect
data for the study. Specify either observational study, experiment,
simulation, or survey.
A study where you would like to determine the chance getting three
girls in a family of three children
Answer: simulation
, ◉ Identify the sampling technique used.
Every fifth person boarding a plane is searched thoroughly.
Answer: systematic
◉ Identify the sampling technique used.
A researcher for an airline interviews all of the passengers on five
randomly selected flights.
Answer: cluster
◉ Identify the sampling technique used.
A lobbyist for a major airspace firm assigns a number to each
legislator and then uses a computer to randomly generate ten
numbers. The lobbyist contacts the legislators corresponding to
these numbers.
Answer: random
◉ Identify the sampling technique used.
ELEMENTARY STATISTICS 2 ACTUAL EXAM
PAPER 2026 QUESTIONS SOLUTIONS GRADED
A+
◉ From past figures, it is predicted that 19% of the registered voters
in California will vote in the June primary.
Answer: descriptive statistics
◉ Determine whether the data are qualitative or quantitative.
the number of seats in a movie theater
Answer: quantitative
◉ Identify the data set's level of measurement.
hair color of women on a high school tennis team
Answer: nominal
◉ Identify the data set's level of measurement.
,number of milligrams of tar in 85 cigarettes
Answer: ratio
◉ Identify the data set's level of measurement.
the ratings of a movie ranging from "poor" to "good" to "excellent"
Answer: ordinal
◉ Identify the data set's level of measurement.
the final grades (A, B, C, D, and F) for students in a statistics class
Answer: ordinal
◉ Identify the data set's level of measurement.
the nationalities listed in a recent survey (for example, Asian,
European, or Hispanic).
Answer: nominal
◉ Identify the data set's level of measurement.
manuscripts rated "acceptable" or "unacceptable"
,Answer: ordinal
◉ Identify the data set's level of measurement.
the lengths (in minutes) of the top ten movies with respect to ticket
sales in 2007
Answer: ratio
◉ Decide which method of data collection you would use to collect
data for the study. Specify either observational study, experiment,
simulation, or survey.
A study where a drug was given to 23 patients and a placebo to
another group of 23 patients to determine if the drug has an effect
on a patient's illness
Answer: experiment
◉ Decide which method of data collection you would use to collect
data for the study. Specify either observational study, experiment,
simulation, or survey.
A study where you would like to determine the chance getting three
girls in a family of three children
Answer: simulation
, ◉ Identify the sampling technique used.
Every fifth person boarding a plane is searched thoroughly.
Answer: systematic
◉ Identify the sampling technique used.
A researcher for an airline interviews all of the passengers on five
randomly selected flights.
Answer: cluster
◉ Identify the sampling technique used.
A lobbyist for a major airspace firm assigns a number to each
legislator and then uses a computer to randomly generate ten
numbers. The lobbyist contacts the legislators corresponding to
these numbers.
Answer: random
◉ Identify the sampling technique used.
