A sleep researcher wanted to see if there are differences in the alertness level (as measured by the time to complete a word search) of people 10 minutes after waking depending on the method of waking them up. One group of people was awoken with a gradual increase in light levels in their bedrooms, and another group was awoken by a noisy alarm clock. What test should I use? Correlation Paired samples t test Independent samples t test Single sample t test

A sleep researcher wanted to see if there are differences in the alertness level (as measured by the time to complete a word search) of people 10 minutes after waking depending on the method of waking them up. One group of people was awoken with a gradual increase in light levels in their bedrooms, and another group was awoken by a noisy alarm clock. What test should I use? Correlation Paired samples t test Independent samples t test Single sample t test

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 10CYU

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Question

100%

What test should I use?

Correlation

Paired samples t test

Independent samples t test

Single sample t test

Definition Definition Relationship between two independent variables. A correlation tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.

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