When the same subjects are used for the levels of the factor, the factor is called a

Group of answer choices

Within-subjects factor

Inter-subject factor

Between subjects factor

Repeated measures factor

When different subjects are used for the levels of a factor, the factor is called a____; when the same subjects are used for the levels of a factor, the factor is called a___.

Group of answer choices

within-subjects factor; Between-subjects factor

Between-subjects factor; Within-subjects factor

Inter-subjects factor; repeated measures factor

Repeated measures factor; inter-subject factor

In a two-factor ANOVA test, if one variable has 5 levels and the other has 4 levels, how many degrees of freedom are there for the interaction?

Group of answer choices

11

12

9

20

10

The probability value for the F-ratio is a(an)___probability (Select all that apply)

Group of answer choices

one-tailed

two-tailed

left-skewed

right-skewed

Which of the following assumptions is required to conduct an ANOVA test? (Select all that apply)

Group of answer choices

The populations have the same variance for the variable of interest

The populations are normally distributed for the variable of interest

Each value is sampled independently from each other value for the variable of interest

The populations have difference variances for the variable of interest

The populations have the same mean for the variable of interest

Which of the following is correct?

Group of answer choices

An ANOVA conducted on a design in which there is only one factor is called a one-way ANOVA

An ANOVA conducted on a design in which there is only one level is called a one-way ANOVA

The factors in an ANOVA test are the dependent variables

We can only have within-subject factor; it is impossible to have between-subject factor

Which of the following description of ANOVA is correct (select only one)?

Group of answer choices

ANOVA is used to compare two or more means

ANOVA can only compare means between two groups

You can only use ANOVA test before Tukey hsd test

The null hypothesis of ANOVA test is that means of all groups are not equal.

Which of the following descriptions of a main effect is correct?

Group of answer choices

A main effect of an independent variable is the effect of the variable averaging over the levels of the other variable(s)

A main effect of a variable is the effect of the variable at a single level of another variable

A main effect of an independent variable must not have any effects for all levels of all of the independent variables

A main effect of an independent variable must have effect over at least one level of all other variables

When different subjects are used for the levels of a factor, the factor is called a____.

Group of answer choices

Within-subjects factor

Inter-subject factor

Between subjects factor

Repeated measures factor

Which of the following descriptions about t distribution is correct (select only one)?

Group of answer choices

Compared to the normal distribution, the t distribution has more values at the top and fewer at the tail.

Compared to the normal distribution, the t distribution has fewer values at the top and more values at the tail.

T distribution always has the same shape with a normal distribution.

T distribution is extremely right-skewed.

I am unsure of question six and eight. Can u verify for me