Elementary Statistics Exam Questions and Answers Latest Update 2024 Already Passed
Identify whether the statement describes inferential statistics or descriptive statistics.
There is a relationship between smoking cigarettes and getting emphysema. - Answers inferential statistics
From past fi...
Identify whether the statement describes inferential statistics or descriptive statistics.
There is a relationship between smoking cigarettes and getting emphysema. - Answers inferential
statistics
From past figures, it is predicted that 19% of the registered voters in California will vote in the June
primary. - Answers descriptive statistics
Determine whether the data are qualitative or quantitative.
the number of seats in a movie theater - Answers quantitative
Identify the data set's level of measurement.
hair color of women on a high school tennis team - Answers nominal
Identify the data set's level of measurement.
number of milligrams of tar in 85 cigarettes - Answers ratio
Identify the data set's level of measurement.
the ratings of a movie ranging from "poor" to "good" to "excellent" - Answers ordinal
Identify the data set's level of measurement.
the final grades (A, B, C, D, and F) for students in a statistics class - Answers ordinal
Identify the data set's level of measurement.
the nationalities listed in a recent survey (for example, Asian, European, or Hispanic). - Answers nominal
Identify the data set's level of measurement.
,manuscripts rated "acceptable" or "unacceptable" - Answers 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 - Answers 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 - Answers 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 -
Answers simulation
Identify the sampling technique used.
Every fifth person boarding a plane is searched thoroughly. - Answers systematic
Identify the sampling technique used.
A researcher for an airline interviews all of the passengers on five randomly selected flights. - Answers
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. -
Answers random
Identify the sampling technique used.
,A market researcher randomly selects 200 drivers under 55 years of age and 200 drivers over 55 years of
age. - Answers stratified
Identify the sampling technique used.
A researcher randomly selected 25 of the nation's middle schools and interviewed all of the teachers at
each school. - Answers cluster
Solve the problem.
The average age of the students in a statistics class is 22 years. Does this statement describe: - Answers
descriptive statistics?
Solve the problem.
Based on previous clients, a marriage counselor concludes that the majority of marriages that begin with
cohabitation before marriage will result in divorce. Does this statement describe inferential statistics or
descriptive statistics? - Answers inferential statistics
Solve the problem.
Classify the number of seats in a movie theater as qualitative data or quantitative data. - Answers
quantitative data
Solve the problem.
Identify the level of measurement for data that are the temperature of 90 refrigerators. - Answers
interval
Solve the problem.
Identify the level of measurement for data that are the number of milligrams of tar in 79 cigarettes. -
Answers ratio
Solve the problem.
, Identify the level of measurement for data that are the ratings of a movie ranging from poor to good to
excellent. - Answers ordinal
Solve the problem.
Identify the level of measurement for data that are the nationalities listed in a recent survey (for
example, Asian, European, or Hispanic). - Answers nominal
Solve the problem.
The numbers of touchdowns scored by a major university in five randomly selected games are given
below. Identify the level of measurement.
1 5 4 5 5 - Answers ratio
Solve the problem.
What method of data collection would you use to collect data for a study where a political pollster
wishes to determine if his candidate is leading in the polls? - Answers use sampling
Solve the problem.
At a local community college, five statistics classes are randomly selected and all of the students from
each class are interviewed. What sampling technique is used? - Answers cluster
Solve the problem.
A community college student interviews everyone in a statistics class to determine who owns a car.
What sampling technique is used? - Answers convenience
Solve the problem.
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