The design of a statistical study shows bias if it is very likely to underestimate or very likely to overestimate the value you want to know.

a group of individuals in the population that are located near each other.

occurs when an individual chosen for the sample can't be contacted or refuses to participate.

simple random sample (SRS)

The design of a statistical study shows bias if it is very likely to underestimate or very likely to overestimate the value you want to know

occurs when some members of the population are less likely to be chosen or cannot be chosen in a sample

occurs when there is a systematic pattern of inaccurate answers to a survey question

group of individuals in the population that are located near each other

Stratified random sampling

selects a sample by choosing an SRS from each stratum and combining the SRSs into one overall sample.

selects a sample by randomly choosing clusters and including each member of the selected clusters in the sample

a group of individuals in the population that are located near each other

a group of individuals in the population that are located near each other.

occurs when an individual chosen for the sample can't be contacted or refuses to participate

selects a sample by randomly choosing clusters and including each member of the selected clusters in the sample.

occurs when an individual chosen for the sample can't be contacted or refuses to participate

occurs when there is a systematic pattern of inaccurate answers to a survey question

deliberately imposes some treatment on individuals to measure their responses

occurs when some members of the population are less likely to be chosen or cannot be chosen in a sample.

a group of individuals in the population that are located near each other

occurs when there is a systematic pattern of inaccurate answers to a survey question

In an experiment, a control group is used to provide a baseline for

occurs when an individual chosen for the sample can't be contacted or refuses to participate.

occurs when there is a systematic pattern of inaccurate answers to a survey question

deliberately imposes some treatment on individuals to measure their responses

refers to the fact that different random samples of the same size from the same population produce different estimates.

Occurs when there is a systematic pattern of inaccurate answers to survey the question.

occurs when an individual chosen for the sample can't be contacted or refuses to participate

occurs when some members of the population are less likely to be chosen or cannot be chosen in a sample

deliberately imposes some treatment on individuals to measure their responses

observes individuals and measures variables of interest but does not attempt to influence the responses.

occurs when two variables are associated in such a way that their effects on a response variable cannot be distinguished from each other

occurs when there is a systematic pattern of inaccurate answers to a survey question

is a treatment that has no active ingredient, but is otherwise like other treatments

occurs when two variables are associated in such a way that their effects on a response variable cannot be distinguished from each other.

deliberately imposes some treatment on individuals to measure their responses

is a treatment that has no active ingredient, but is otherwise like other treatments

is used to provide a baseline for comparing the effects of other treatments. Depending on the purpose of the experiment, a control group may be given an inactive treatment (placebo), an active treatment, or no treatment at all

deliberately imposes some treatment on individuals to measure their responses.

is a treatment that has no active ingredient, but is otherwise like other treatments

occurs when two variables are associated in such a way that their effects on a response variable cannot be distinguished from each other

observes individuals and measures variables of interest but does not attempt to influence the responses

is a treatment that has no active ingredient, but is otherwise like other treatments.

deliberately imposes some treatment on individuals to measure their responses

observes individuals and measures variables of interest but does not attempt to influence the responses

occurs when two variables are associated in such a way that their effects on a response variable cannot be distinguished from each other

A specific condition applied to the individuals in an experiment.

unit is the object to which a treatment is randomly assigned

the science and art of collecting, analyzing, and drawing conclusions from data

experimental unit is the object to which a treatment is randomly assigned.

When the experimental units are human beings

In an experiment, a factor is a variable that is manipulated and may cause a change in the response variable

is a treatment that has no active ingredient, but is otherwise like other treatments

When the experimental units are human beings.

occurs when there is a systematic pattern of inaccurate answers to a survey question

occurs when an individual chosen for the sample can't be contacted or refuses to participate

observes individuals and measures variables of interest but does not attempt to influence the responses

variable that is manipulated and may cause a change in the response variable.

When the experimental units are human beings

is used to provide a baseline for comparing the effects of other treatments. Depending on the purpose of the experiment, a control group may be given an inactive treatment (placebo), an active treatment, or no treatment at all

The different values of a factor

The different values of a factor.

is a variable that is manipulated and may cause a change in the response variable

is the object to which a treatment is randomly assigned

When the experimental units are human beings

is used to provide a baseline for comparing the effects of other treatments. Depending on the purpose of the experiment, a control group may be given an inactive treatment (placebo), an active treatment, or no treatment at all.

describes the fact that some subjects in an experiment will respond favorably to any treatment, even an inactive treatment

neither the subjects nor those who interact with them and measure the response variable know which treatment a subject received

either the subjects don't know which treatment they are receiving or the people who interact with them an measure the response variable don't know which subjects are receiving which treatment

describes the fact that some subjects in an experiment will respond favorably to any treatment, even an inactive treatment.

either the subjects don't know which treatment they are receiving or the people who interact with them an measure the response variable don't know which subjects are receiving which treatment

means keeping other variables constant for all experimental units

The experimental units are assigned to the treatments completely by chance

double-blind experiment

neither the subjects nor those who interact with them and measure the response variable know which treatment a subject received.

occurs when there is a systematic pattern of inaccurate answers to a survey question

is a variable that is manipulated and may cause a change in the response variable

deliberately imposes some treatment on individuals to measure their responses

single-blind experiment

either the subjects don't know which treatment they are receiving or the people who interact with them an measure the response variable don't know which subjects are receiving which treatment.

the random assignment of experimental units to treatments is carried out separately within each block.

refers to the fact that different random samples of the same size from the same population produce different estimates.refers to the fact that different random samples of the same size from the same population produce different estimates.

refers to the fact that different random samples of the same size from the same population produce different estimates.

means that experimental units are assigned to treatments using a chance process.

means using enough experimental units to distinguish a difference in the effects of the treatments from chance variation due to the random assignment

means keeping other variables constant for all experimental units

the experimental units are assigned to the treatments completely by chance

means keeping other variables constant for all experimental units.

the experimental units are assigned to the treatments completely by chance

is a group of experimental units that are known before the experiment to be similar in some way that is expected to affect the response to the treatments

means using enough experimental units to distinguish a difference in the effects of the treatments from chance variation due to the random assignment

means using enough experimental units to distinguish a difference in the effects of the treatments from chance variation due to the random assignment.

a group of experimental units that are known before the experiment to be similar in some way that is expected to affect the response to the treatments

is a common experimental design for comparing two treatments that uses blocks of size 2. In some matched pairs designs, two very similar experimental units are paired and the two treatments are randomly assigned within each pair. In others, each experimental unit receives both treatments in a random order

When the observed results of a study are too unusual to be explained by chance alone

completely randomized design

the experimental units are assigned to the treatments completely by chance.

means using enough experimental units to distinguish a difference in the effects of the treatments from chance variation due to the random assignment

means keeping other variables constant for all experimental units

means that experimental units are assigned to treatments using a chance process

is a group of experimental units that are known before the experiment to be similar in some way that is expected to affect the response to the treatments.

is a common experimental design for comparing two treatments that uses blocks of size 2. In some matched pairs designs, two very similar experimental units are paired and the two treatments are randomly assigned within each pair. In others, each experimental unit receives both treatments in a random order.

the random assignment of experimental units to treatments is carried out separately within each block.

When the observed results of a study are too unusual to be explained by chance alone

randomized block design

the random assignment of experimental units to treatments is carried out separately within each block

refers to the fact that different random samples of the same size from the same population produce different estimates

When the observed results of a study are too unusual to be explained by chance alone

is a group of experimental units that are known before the experiment to be similar in some way that is expected to affect the response to the treatments

is a common experimental design for comparing two treatments that uses blocks of size 2. In some matched pairs designs, two very similar experimental units are paired and the two treatments are randomly assigned within each pair. In others, each experimental unit receives both treatments in a random order.

observes individuals and measures variables of interest but does not attempt to influence the responses

occurs when there is a systematic pattern of inaccurate answers to a survey question

occurs when some members of the population are less likely to be chosen or cannot be chosen in a sample

refers to the fact that different random samples of the same size from the same population produce different estimates

When the observed results of a study are too unusual to be explained by chance alone.

the random assignment of experimental units to treatments is carried out separately within each block.

is a group of experimental units that are known before the experiment to be similar in some way that is expected to affect the response to the treatments

statistically significant.

When the observed results of a study are too unusual to be explained by chance alone

is a common experimental design for comparing two treatments that uses blocks of size 2. In some matched pairs designs, two very similar experimental units are paired and the two treatments are randomly assigned within each pair. In others, each experimental unit receives both treatments in a random order.

the random assignment of experimental units to treatments is carried out separately within each block.

either the subjects don't know which treatment they are receiving or the people who interact with them an measure the response variable don't know which subjects are receiving which treatment.

Math class probability and statistics quiz

Authored by Christopher Bello

Mathematics

11th Grade

Used 1+ times

Math class probability and statistics quiz

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38 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

population

in a statistical study is the entire group of individuals we want information about.

collects data from every individual in the
population.

is a study that collects data from a sample that is chosen to represent a specific population

shows the number of individuals having each value

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

census

is a subset of individuals in the population from which we collect data.

collects data from every individual in the
population.

in a statistical study is the entire group of individuals we want information about.

allows people to choose to be in the sample by responding to a general invitation.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

sample

The design of a statistical study shows bias if it is very likely to underestimate or very likely to overestimate the value you want to know.

A sample survey is a study that collects data from a sample that is chosen to represent a specific population.

is a subset of individuals in the population from which we collect data.

Convenience sampling selects individuals from the population who are easy to reach.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

sample survey

is a subset of individuals in the population from which we collect data.

of size n is chosen in such a way that every group of n individuals in the population has an equal chance to be selected as the sample.

groups of individuals in a population who share characteristics thought to be associated with the variables being measured in a study

is a study that collects data from a sample that is chosen to represent a specific population.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Convenience sampling

selects individuals from the population who are easy to reach.

is a study that collects data from a sample that is chosen to represent a specific population.

The population in a statistical study is the entire group of individuals we want information about.

collects data from every individual in the Population

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

bias

it is very likely to underestimate or very likely to overestimate the value you want to know.

in a statistical study is the entire group of individuals we want information about.

selects individuals from the population who are easy to reach.

allows people to choose to be in the sample by responding to a general invitation.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Voluntary response sampling

The design of a statistical study shows bias if it is very likely to underestimate or very likely to overestimate the value you want to know.

allows people to choose to be in the sample by responding to a general invitation.

involves using a chance process to determine which members of a population are included in the sample.

groups of individuals in a population who share characteristics thought to be associated with the variables being measured in a study

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Math class probability and statistics quiz

population

census

sample

sample survey

Convenience sampling

bias

Voluntary response sampling

Random sampling

simple random sample (SRS)

Strata

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