A researcher is interested in studying how playing video games before bed might influence sleep quality....

A researcher is interested in studying how playing video games before bed might influence sleep quality. She randomly assigns 30 teenagers to play video games right before bed for a week, and 30 teenagers to watch TV right before bed for a week, and then compares their sleep quality.

What would be a type I error for this scenario?

What would be a type II error for this scenario?

Solutions

Expert Solution

Given that,

A researcher is interested in studying how playing video games before bed might influence sleep quality.

Here Hypothesis is would be as follows

H0:

There no difference between sleep quality of teenagers right before playing video games and watching TV before bed for a week

H1:

There difference between sleep quality of teenagers right before playing video games and watching TV right before bed for a week

Type 1 error scenario is:

Concluding that , There difference between sleep quality of teenagers right before playing video games and watching TV right before bed for a week. But, actually there is no significant difference between sleep quality of teenagers right before playing video games and watching TV right before bed for a week.

Type 2 scenario is:

Concluding that,

There no difference between sleep quality of teenagers right before playing video games and watching TV tight before bed for a week . But actually there is significant difference between sleep quality of teenagers right before playing video games and watching TV right before bed for a week.

orchestra answered 1 year ago

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