Module 6 Statistics Review Quiz April 9 2024 | Baamboozle - Baamboozle

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What are levels of measurement?

Only describes nominal variables

A classification that describes the nature of information

Only describes ordinal variables

Only describes interval variables

True or False. The divisor for the standard deviation of a sample is n-1?

True

Since p (.04) < a (.05), p < α, do we accept or reject the null hypothesis?

We reject the null hypothesis

What is a Parameter?

A value below which a given percentage of observations fall

A value that divides a list of numbers into quarters

A numerical characteristic of a population

A sample Statistic

What does a p-value represent in statistical tests?

The probability of the obtained results when null is true

The variance in the sample population

The sample mean

A significance level

True or False: The Null Hypothesis is a statement there is no significant difference or effect in the research observations.

True

True or False: The p-value is a proportion. If your p-value is 0.05, it means that 5% of the time, you would observe a test statistic at least as extreme as the one you found if the null hypothesis were true.

True

True or False. When p > α, you should fail to reject the Null hypothesis.

True

For comparing the means of two separate groups, which is the best test?

Chi-squared

Independent T-test

ANOVA

Regression

True or False: Sigma represents the standard deviation of a population?

True