BIOL2022 L13 Dealing with CLASS INDEPENDENT VARIABLES

Pregunta 1 de 7

2

What conditions must be present in order to use an independent t-test?
A ❌ dependent variable;
A ❌ independent variable (with ❌ levels).

Arrastra y suelta para completar el texto.

Continuous

Class

2

>2

≥2 (>=2)

Explicación

Pregunta 2 de 7

2

What conditions must be present in order to use a 1-way ANOVA?
A ❌ dependent variable;
A ❌ independent variable (with ❌ levels).

Arrastra y suelta para completar el texto.

Continuous

Class

≥2 (>=2)

2

>2

Explicación

Pregunta 3 de 7

5

In an ANOVA, the F value is obtained by the formula:
---- Groups MS / Error MS ----
...where Groups MS = Groups SS / Groups DF
...and Error MS = Error SS / Error DF
In these, what are the following defined as?
DF = ❌;
MS = ❌;
SS = ❌;
…therefore:
Groups MS represents ❌, whereas Error MS represents = ❌.

Arrastra y suelta para completar el texto.

degrees of freedom

mean squared deviation from the mean

mean squares

sum of squared deviation from the mean

sum of squares

BETWEEN groups’ mean-squares

WITHIN groups’ mean-squares

BSOD

Explicación

Pregunta 4 de 7

2

When reporting an ANOVA, what do each of the following numbers represent?
Options are:
#1 - df BETWEEN groups (# of treatment groups)
#2 - df BETWEEN groups (# of treatment groups - 1)
#3 - df BETWEEN groups ( (# of treatment groups) x (# of samples in each group) )
#4 - df BETWEEN groups ( (# of treatment groups - 1) x (# of samples in each group - 1) )
#5 - df WITHIN groups (# of treatment groups)
#6 - df WITHIN groups (# of treatment groups - 1)
#7 - df WITHIN groups ( (# of treatment groups) x (# of samples in each group) )
#8 - df WITHIN groups ( (# of treatment groups - 1) x (# of samples in each group - 1) )

Arrastra la opción correcta a cada uno de los puntos naranjas

#2 BETWEEN

#1 BETWEEN

#3 BETWEEN

#4 BETWEEN

#5 WITHIN

#6 WITHIN

#7 WITHIN

#8 WITHIN

Explicación

Pregunta 5 de 7

1

Homoscedasticity vs heteroscedasticity:
Heteroscedasticity means:

Selecciona una de las siguientes respuestas posibles:

Variance is unequal, e.g. error gets larger on one side
Variance is unequal, e.g. more samples on one side
Distribution is unequal, e.g. error gets larger on one side
Distribution is unequal, e.g. more samples on one side

Explicación

Pregunta 6 de 7

1

In order to perform an ANOVA, you should transform if your data is:

Selecciona una de las siguientes respuestas posibles:

Heteroscedastic
Homoscedastic
Really shitty

Explicación

Pregunta 7 de 7

2

Question: “Is aerobic enzyme activity greater in males than females?
Dependent variable: ❌, which is a ❌ variable;
Independent variable: ❌, which is a ❌ variable.

Arrastra y suelta para completar el texto.

Aerobic enzyme activity

Continuous

Sex

Class

	Creado por Michael Jardine hace alrededor de 6 años

BIOL2022 L13 Dealing with CLASS INDEPENDENT VARIABLES

Pregunta 1 de 7

What conditions must be present in order to use an independent t-test? A ❌ dependent variable; A ❌ independent variable (with ❌ levels).

Arrastra y suelta para completar el texto.

Explicación

Pregunta 2 de 7

What conditions must be present in order to use a 1-way ANOVA? A ❌ dependent variable; A ❌ independent variable (with ❌ levels).

Arrastra y suelta para completar el texto.

Explicación

Pregunta 3 de 7

Arrastra y suelta para completar el texto.

Explicación

Pregunta 4 de 7

Arrastra la opción correcta a cada uno de los puntos naranjas

Explicación

Pregunta 5 de 7

Homoscedasticity vs heteroscedasticity: Heteroscedasticity means:

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 6 de 7

In order to perform an ANOVA, you should transform if your data is:

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 7 de 7

Question: “Is aerobic enzyme activity greater in males than females? Dependent variable: ❌, which is a ❌ variable; Independent variable: ❌, which is a ❌ variable.

Arrastra y suelta para completar el texto.

Explicación

What conditions must be present in order to use an independent t-test?
A ❌ dependent variable;
A ❌ independent variable (with ❌ levels).

What conditions must be present in order to use a 1-way ANOVA?
A ❌ dependent variable;
A ❌ independent variable (with ❌ levels).

Homoscedasticity vs heteroscedasticity:
Heteroscedasticity means:

Question: “Is aerobic enzyme activity greater in males than females?
Dependent variable: ❌, which is a ❌ variable;
Independent variable: ❌, which is a ❌ variable.