# Can one confirm hypotheses?

## Can one confirm hypotheses?

A hypothesis is confirmed or refuted by its observable consequences. If the observable consequences occur, then a hypothesis is considered to be (partially) confirmed; otherwise as refuted.

## When to test one-sided when two-sided?

The statistician thinks more of one-sided and two-sided significance tests. One-sided tests are used to test directed hypotheses, and bilateral, undirected hypotheses. Example of an undirected hypothesis: The two teaching methods A and B differ.

## When is Levene Test Significant?

Carrying out the Levene test in an ANOVA The important column is the “significance”. Since the null hypothesis should not be rejected if the variances are equal, the significance should therefore be greater than 0.05. This is the case in this example. Line) the significance of the Levene test is 0.955.

## When is homogeneity of variance given?

Uniformity of variance is given when the variance is roughly the same in all groups. Failure to do so would increase the likelihood of making a Type I mistake.

## When is something normally distributed SPSS?

If the Sig. Value is greater than 0.05, then the distribution is normal. The QQ plot is the chart titled Normal QQ Plot. If the course of the points agrees well with the course of the straight line, then this indicates that there is a normal distribution.

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