STATISTICS FOR PEOPLE WHO THINK THEY
HATE STATISTICS SALKIND FREY KEY
CONCEPTS AND PRACTICE QUESTIONS
◉ Sample.
Answer: a relatively small group selected from individuals of interest
◉ Research begins with a question about.
Answer: the population
◉ The population is too large.
Answer: for every individual to participate in the research study
◉ individuals in sample.
Answer: are actual participants
◉ results from the sample.
Answer: are generalized to the population
◉ What scale is used to measure the dependent variable?.
Answer: The ratio scale
,◉ What term is used for the statistical techniques that use sample
data to draw conclusions about the population from which the
sample was obtained?.
Answer: inferential statistics
◉ A researcher is curious about the average distance traveled by
Canada geese during peak fall migration in the state of New York.
The entire group of Canada geese in the state is an example of a.
Answer: population
◉ A researcher is interested in the fast-food eating habits of
American college students. A group of 50 students is interviewed
and the researcher finds that these students eat an average of 2.3
commercially prepared meals per week. For this study, the average
of 2.3 meals is an example of a.
Answer: statistic
◉ inferential statistics.
Answer: consist of techniques that allow us to study samples and
then make generalizations about the populations from which they
were selected.
◉ descriptive statistics.
, Answer: are statistical procedures used to summarize, organize, and
simplify data.
◉ Sampling error.
Answer: is the naturally occurring discrepancy, or error, that exists
between a sample statistic and the corresponding population
parameter.
◉ parameter.
Answer: is a value—usually a numerical value—that describes a
population. A parameter is usually derived from measurements of
the individuals in the population.
◉ statistic.
Answer: is a value—usually a numerical value—that describes a
sample. A statistic is usually derived from measurements of the
individuals in the sample.
◉ Variable.
Answer: is a characteristic or condition that changes or has different
values for different individuals.
◉ Data (plural).
Answer: are measurements or observations
HATE STATISTICS SALKIND FREY KEY
CONCEPTS AND PRACTICE QUESTIONS
◉ Sample.
Answer: a relatively small group selected from individuals of interest
◉ Research begins with a question about.
Answer: the population
◉ The population is too large.
Answer: for every individual to participate in the research study
◉ individuals in sample.
Answer: are actual participants
◉ results from the sample.
Answer: are generalized to the population
◉ What scale is used to measure the dependent variable?.
Answer: The ratio scale
,◉ What term is used for the statistical techniques that use sample
data to draw conclusions about the population from which the
sample was obtained?.
Answer: inferential statistics
◉ A researcher is curious about the average distance traveled by
Canada geese during peak fall migration in the state of New York.
The entire group of Canada geese in the state is an example of a.
Answer: population
◉ A researcher is interested in the fast-food eating habits of
American college students. A group of 50 students is interviewed
and the researcher finds that these students eat an average of 2.3
commercially prepared meals per week. For this study, the average
of 2.3 meals is an example of a.
Answer: statistic
◉ inferential statistics.
Answer: consist of techniques that allow us to study samples and
then make generalizations about the populations from which they
were selected.
◉ descriptive statistics.
, Answer: are statistical procedures used to summarize, organize, and
simplify data.
◉ Sampling error.
Answer: is the naturally occurring discrepancy, or error, that exists
between a sample statistic and the corresponding population
parameter.
◉ parameter.
Answer: is a value—usually a numerical value—that describes a
population. A parameter is usually derived from measurements of
the individuals in the population.
◉ statistic.
Answer: is a value—usually a numerical value—that describes a
sample. A statistic is usually derived from measurements of the
individuals in the sample.
◉ Variable.
Answer: is a characteristic or condition that changes or has different
values for different individuals.
◉ Data (plural).
Answer: are measurements or observations