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Statistics

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Term1/16

Auto correlation and cross correlation

Definition1/16

Auto correlation is the correlation of one signal with itself.

Cross correlation is the correlation of one signal with a different signal.

Term1/16

The independent variable is also called the

Definition1/16

explanatory variable

Term1/16

What causes change in a dependent variable

Definition1/16

The dependent variable is dependent on the independent variable, so when the independent variable changes, so does the dependent variable.

Term1/16

A sample that uses only people who are easy to contact is called a

Definition1/16

... convenience sample.

Term1/16

A survey in a magazine that asks readers to return the survey would result in

Definition1/16

voluntary-response bias.

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If every 10th student on a nonalphabetized list of names was chosen from your school to answer a survey this group would be an

Definition1/16

random sample.

Term1/16

A dependent variable is associated mainly with

Definition1/16

the result of an experiment.

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The independent variable is associated mainly with

Definition1/16

the treatment that the researcher controls directly.

Term1/16

A sample that does not reflect the population would result from

Definition1/16

Under-Coverage

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In a survey that ased about alcohol use in high school students which of these is an important measure for controlling bias

Definition1/16

getting a random sample from each grade level

Term1/16

Unlike an observational study an experiment can prove

Definition1/16

cause and effect

Term1/16

The essence of an experiment as opposed to an observational study is to

Definition1/16

change one or more factors and observe the effects

Term1/16

What would be your independent variable be in a experiment to see if eating breakfast increased concentration on math assignments

Definition1/16

Breakfast

Term1/16

How do you treat ice pick headaches

Definition1/16

Ice Pick Headaches are typically treated with anti-inflammatory medications. Some patients find that taking a preventive for them will also help.

Term1/16

An experiment finds that teens who play video games have increased critical thinking skills. What might have been the hypothesis for this experiment

Definition1/16

Teens who ply video games show better thinking skills

Term1/16

If you were doing a research study on sleep and student achievement which might be the hypothesis

Definition1/16

The amount of sleep a student gets affects the students achievement

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Cards in this guide (16)

Auto correlation and cross correlation

Auto correlation is the correlation of one signal with itself.

Cross correlation is the correlation of one signal with a different signal.

The independent variable is also called the

explanatory variable

What causes change in a dependent variable

The dependent variable is dependent on the independent variable, so when the independent variable changes, so does the dependent variable.

A sample that uses only people who are easy to contact is called a

... convenience sample.

A survey in a magazine that asks readers to return the survey would result in

voluntary-response bias.

If every 10th student on a nonalphabetized list of names was chosen from your school to answer a survey this group would be an

random sample.

A dependent variable is associated mainly with

the result of an experiment.

The independent variable is associated mainly with

the treatment that the researcher controls directly.

A sample that does not reflect the population would result from

Under-Coverage

In a survey that ased about alcohol use in high school students which of these is an important measure for controlling bias

getting a random sample from each grade level

Unlike an observational study an experiment can prove

cause and effect

The essence of an experiment as opposed to an observational study is to

change one or more factors and observe the effects

What would be your independent variable be in a experiment to see if eating breakfast increased concentration on math assignments

Breakfast

How do you treat ice pick headaches

Ice Pick Headaches are typically treated with anti-inflammatory medications. Some patients find that taking a preventive for them will also help.

An experiment finds that teens who play video games have increased critical thinking skills. What might have been the hypothesis for this experiment

Teens who ply video games show better thinking skills

If you were doing a research study on sleep and student achievement which might be the hypothesis

The amount of sleep a student gets affects the students achievement

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Auto correlation and cross correlation

The independent variable is also called the

What causes change in a dependent variable

A sample that uses only people who are easy to contact is called a

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The independent variable is also called the

What causes change in a dependent variable

A sample that uses only people who are easy to contact is called a

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