Elementary Statistics Exam Questions And Answers 100% Pass
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Course
Statistics
Institution
Statistics
Elementary Statistics Exam Questions And
Answers 100% Pass
Identify whether the statement describes inferential statistics or descriptive statistics.
There is a relationship between smoking cigarettes and getting emphysema. -
answerinferential statistics
From past figures, it is predicted that...
Elementary Statistics Exam Questions And
Answers 100% Pass
Identify whether the statement describes inferential statistics or descriptive statistics.
There is a relationship between smoking cigarettes and getting emphysema. -
answer✔inferential statistics
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.
A market researcher randomly selects 200 drivers under 55 years of age and 200 drivers over 55
years of age. - answer✔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. - answer✔cluster
Solve the problem.
The average age of the students in a statistics class is 22 years. Does this statement describe: -
answer✔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? - answer✔inferential statistics
Solve the problem.
Classify the number of seats in a movie theater as qualitative data or quantitative data. -
answer✔quantitative data
Identify the level of measurement for data that are the temperature of 90 refrigerators. -
answer✔interval
Solve the problem.
Identify the level of measurement for data that are the number of milligrams of tar in 79
cigarettes. - answer✔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. - answer✔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). - answer✔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 - answer✔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? - answer✔use sampling
Solve the problem.
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