1. If a regression study reports the following information F(2,197)=2.34, p<.05, how many people were in the study? 2. Even if your data is not linear, there is a correlation you can use to calculate the relationship of your data. True False 3. A school psychologist wanted to test if there is a relationship between number of hours studying for the GRE and the person’s score on the test. Is the following statement the null or alternative hypothesis for this study? A student’s score on the GRE will not improve when studying for more hours for the test. null hypothesis alternative hypothesis
Correlation
Correlation defines a relationship between two independent variables. It 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.
Linear Correlation
A correlation is used to determine the relationships between numerical and categorical variables. In other words, it is an indicator of how things are connected to one another. The correlation analysis is the study of how variables are related.
Regression Analysis
Regression analysis is a statistical method in which it estimates the relationship between a dependent variable and one or more independent variable. In simple terms dependent variable is called as outcome variable and independent variable is called as predictors. Regression analysis is one of the methods to find the trends in data. The independent variable used in Regression analysis is named Predictor variable. It offers data of an associated dependent variable regarding a particular outcome.
1. If a regression study reports the following information F(2,197)=2.34, p<.05, how many people were in the study?
2. Even if your data is not linear, there is a
True
False
3.
A school psychologist wanted to test if there is a relationship between number of hours studying for the GRE and the person’s score on the test.
Is the following statement the null or alternative hypothesis for this study?
A student’s score on the GRE will not improve when studying for more hours for the test.
|
null hypothesis |
||
|
alternative hypothesis |
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