Statistical inference is ______.Your answer Choice Correct? Score Correct answer
Answer
Correct Answer:
Making supportable conjectures about the unknown characteristics of a population based on sample statistics
Note: This Question is unanswered, help us to find answer for this one
A researcher might use a snowball sample if individuals in the population are hard to identify or locate.
Answer
Correct Answer:
True
Note: This Question is unanswered, help us to find answer for this one
The difference between a sampling fraction and a sampling interval is that the sampling fraction indicates the relationship between the sample and population sizes while the sampling interval describes the number of elements that are skipped when drawing a sample.
Answer
Correct Answer:
True
Note: This Question is unanswered, help us to find answer for this one
The ______ is the number of elements in a sampling frame divided by the desired sample size.
Answer
Correct Answer:
Sampling interval
Note: This Question is unanswered, help us to find answer for this one
____ samples are samples for which each element in the total population has a known probability of being included in the sample.
Answer
Correct Answer:
Probability
Note: This Question is unanswered, help us to find answer for this one
A sampling unit ______.
Answer
Correct Answer:
Is an entity listed in a sampling frame
Note: This Question is unanswered, help us to find answer for this one
If some of the elements of a population of interest to a research question are not included in the sampling frame, ______.
Answer
Correct Answer:
Then any data collected may not be representative of the population
Note: This Question is unanswered, help us to find answer for this one
Numerical or quantitative indicators such as a percent or average that describe a population are called ______.
Answer
Correct Answer:
Population parameters
Note: This Question is unanswered, help us to find answer for this one
Any subset of units collected in some manner from a population is a ______.
Answer
Correct Answer:
Sample
Note: This Question is unanswered, help us to find answer for this one
Any well-defined set of units of analysis is a ______.
Answer
Correct Answer:
Population
Note: This Question is unanswered, help us to find answer for this one
______ sample is a probability sample in which elements are selected from a list at predetermined intervals.
Answer
Correct Answer:
Systematic sample
Note: This Question is unanswered, help us to find answer for this one
A subgroup of a population that shares one or more characteristics is known as stratum
Answer
Correct Answer:
True
Note: This Question is unanswered, help us to find answer for this one
________ is a probability sample in which elements sharing one or more characteristics are grouped and elements are selected from each group in proportion to the group’s representation in the total population.
Answer
Correct Answer:
Stratified sample
Note: This Question is unanswered, help us to find answer for this one
The mathematical theory and techniques for making conjectures about the unknown characteristics (parameters) of populations based on samples is called non statistical inference
Answer
Correct Answer:
False
Note: This Question is unanswered, help us to find answer for this one
A _____ sample in which potential respondents are identified by respondents already participating in the sample is called snowball sample
Answer
Correct Answer:
Non Probability sample
Note: This Question is unanswered, help us to find answer for this one
A _______ sample in which each element has an equal chance of being selected is called simple random same
Answer
Correct Answer:
Probability sample
Note: This Question is unanswered, help us to find answer for this one
The entity listed in a sampling frame. It may be the same as an element, or it may be a group or cluster of elements is called
Answer
Correct Answer:
Sampling unit
Note: This Question is unanswered, help us to find answer for this one
The number of elements in a sampling frame divided by the desired sample size is called
Answer
Correct Answer:
Sampling interval
Note: This Question is unanswered, help us to find answer for this one
The population from which a sample is drawn. Ideally, it is the same as the total population of interest to a study is known as
Answer
Correct Answer:
Sampling frame
Note: This Question is unanswered, help us to find answer for this one
The proportion of the population included in a sample is called
Answer
Correct Answer:
Sampling fraction
Note: This Question is unanswered, help us to find answer for this one
The difference between a sample estimate and a corresponding population parameter that arises because only a portion of a population is observed is called
Answer
Correct Answer:
Sampling error
Note: This Question is unanswered, help us to find answer for this one
A theoretical (nonobserved) distribution of sample statistics calculated on samples of size N that, if known, permits the calculation of confidence intervals and the test of statistical hypotheses is called sampling introduction
Answer
Correct Answer:
True
Note: This Question is unanswered, help us to find answer for this one
Sample statistic is the estimator of a population characteristic or attribute that is calculated from sample data
Answer
Correct Answer:
True
Note: This Question is unanswered, help us to find answer for this one
The bias that occurs whenever some elements of a population are systematically excluded from a sample. It is usually due to an incomplete sampling frame or a nonprobability method of selecting elements is known as sample bias
Answer
Correct Answer:
True
Note: This Question is unanswered, help us to find answer for this one
______ is a subset of observations or cases drawn from a specified population.
Answer
Correct Answer:
Sample
Note: This Question is unanswered, help us to find answer for this one
A nonprobability sample in which elements are sampled in proportion to their representation in the population.
Answer
Correct Answer:
Quota sample
Note: This Question is unanswered, help us to find answer for this one
_______ sample is a nonprobability sample in which a researcher uses discretion in selecting elements for observation.
Answer
Correct Answer:
Purposive sample
Note: This Question is unanswered, help us to find answer for this one
A probability sample that draws elements from a stratified population at a rate proportional to the size of the samples is called
Answer
Correct Answer:
Proportionate sample
Note: This Question is unanswered, help us to find answer for this one
A sample for which each element in the total population has a known probability of being selected is called
Answer
Correct Answer:
Probability sample
Note: This Question is unanswered, help us to find answer for this one
_______ is a characteristic or an attribute in a population (not a sample) that can be quantified
Answer
Correct Answer:
Population parameter
Note: This Question is unanswered, help us to find answer for this one
All the cases or observations covered by a hypothesis; all the units of analysis to which a hypothesis applies is called ______
Answer
Correct Answer:
Population
Note: This Question is unanswered, help us to find answer for this one
A sample for which each ______ in the total population has an unknown probability of being selected is called non probability sample
Answer
Correct Answer:
Element
Note: This Question is unanswered, help us to find answer for this one
The mean or average value of a sample statistic based on repeated samples from a population is called expected value
Answer
Correct Answer:
True
Note: This Question is unanswered, help us to find answer for this one
Estimator is a statistic based on sample observations that is used to estimate the numerical value of an unknown population parameter.
Answer
Correct Answer:
True
Note: This Question is unanswered, help us to find answer for this one
A particular case or entity about which information is collected; the unit of analysis is called
Answer
Correct Answer:
Element
Note: This Question is unanswered, help us to find answer for this one
A stratified sample in which elements sharing a characteristic are underrepresented or overrepresented in the sample is known as
Answer
Correct Answer:
Disproportionate sample
Note: This Question is unanswered, help us to find answer for this one
___________ is a nonprobability sample in which the selection of elements is determined by the researcher’s convenience
Answer
Correct Answer:
Convenience sample
Note: This Question is unanswered, help us to find answer for this one
A probability sample that is used when no list of elements exists. The sampling frame initially consists of clusters of elements known as
Answer
Correct Answer:
Cluster sample
Note: This Question is unanswered, help us to find answer for this one
