Extras Flashcards

1
Q

If the t statistic does not fall in the critical region we

A

do not reject the null hypothesis (accept it)

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2
Q

In a hypothesis test for ANOVA you are interested in the significance of the difference between

A

population means

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3
Q

What is the null hypothesis for ANOVA

A

H0= all population means are equal

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4
Q

What is the alternative hypothesis for ANOVA

A

H1= at least one of the population means is different

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5
Q

A higher f-ratio indicates a _____ variance between categories rather them within categories. This proves against that there is ____ between the means

A

larger

no difference

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6
Q

What is the relationship between the coefficient of determination and the proportion of variance explained by the relationship between two variabilities

A

The coefficient of determination is the proportion of variation explained by the relationship between two variabilities

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7
Q

A variable whose value is held constant so that the researcher can explore the relationship between two other variables

A

control variable

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8
Q

Each statisticsl method that uses the least square method to produce an equation to predict the z-score of one variable using the Z score of two or more variables

A

Standardized multiple regression

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9
Q

The Y variable and a multiple regression whose value is being predicted by two or more independent X variables

A

Dependent variable

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10
Q

Partial slopes computed in a standardized multiple regression the slopes can be compared to make statements about which dependent variables are more influential on the independent variable

A

Beta weights

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11
Q

A value value that describes a percentage of variability in the dependent variable that is explained by two or more independent variables

A

Coefficient of multiple determination

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12
Q

A measure of the relationship between two variables without consideration of any other variables

A

Zero order correlation

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13
Q

A statistical method that uses the least squares method to produce an equation to predict the value of one variable using the values of two or more other other variables

A

Multiple regression

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14
Q

A concept use in multiple regression and partial correlation to indicate that the effect of one independent variable on the dependent variable is different, depending on the the value of another independent variable

A

Interaction

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15
Q

A value that describes the correlation between the dependent variable and two are more independent variables

A

Multiple correlation coefficient

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16
Q

A concept used when interpreting partial correlation coefficient to indicate that a control variable does not appear to affect the relationship between two other variables

A

Direct relationship

17
Q

A statistical method that measures the relationship between two variables while controlling for a third

A

Partial correlation

18
Q

One of the X variables in a multiple regression equation used to predict the dependent Y variable

A

Independent variable

19
Q

A concept used when interpreting partial correlation coefficient to indicate that a control variable appears to explain the relationship between two or more variables completely

A

Spurious or intervening relationship

20
Q

A value that is computed for each independent variable in a multiple regression equation and is used in the equation as a multiplier to the value of the corresponding independent variable

A

Partial slope