BIOL2022 L13 Dealing with CLASS INDEPENDENT VARIABLES

Questão 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).

Arraste e solte para completar o texto.

Continuous

Class

2

>2

≥2 (>=2)

Explicação

Questão 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).

Arraste e solte para completar o texto.

Continuous

Class

≥2 (>=2)

2

>2

Explicação

Questão 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 = ❌.

Arraste e solte para completar o 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

Explicação

Questão 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) )

Arraste a resposta correta para cada ponto laranja.

#2 BETWEEN

#1 BETWEEN

#3 BETWEEN

#4 BETWEEN

#5 WITHIN

#6 WITHIN

#7 WITHIN

#8 WITHIN

Explicação

Questão 5 de 7

1

Homoscedasticity vs heteroscedasticity:
Heteroscedasticity means:

Selecione uma das seguintes:

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

Explicação

Questão 6 de 7

1

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

Selecione uma das seguintes:

Heteroscedastic
Homoscedastic
Really shitty

Explicação

Questão 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.

Arraste e solte para completar o texto.

Aerobic enzyme activity

Continuous

Sex

Class

	Criado por Michael Jardine quase 6 anos atrás

BIOL2022 L13 Dealing with CLASS INDEPENDENT VARIABLES

Questão 1 de 7

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

Arraste e solte para completar o texto.

Explicação

Questão 2 de 7

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

Arraste e solte para completar o texto.

Explicação

Questão 3 de 7

Arraste e solte para completar o texto.

Explicação

Questão 4 de 7

Arraste a resposta correta para cada ponto laranja.

Explicação

Questão 5 de 7

Homoscedasticity vs heteroscedasticity: Heteroscedasticity means:

Selecione uma das seguintes:

Explicação

Questão 6 de 7

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

Selecione uma das seguintes:

Explicação

Questão 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.

Arraste e solte para completar o texto.

Explicação

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.