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

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Statistics

Study Slideshow

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

True

What is a Parameter?

A sample Statistic

A numerical characteristic of a population

A value that divides a list of numbers into quarters

A value below which a given percentage of observations fall

What are levels of measurement?

A classification that describes the nature of information

Only describes interval variables

Only describes nominal variables

Only describes ordinal variables

What does a p-value represent in statistical tests?

The sample mean

A significance level

The variance in the sample population

The probability of the obtained results when null is 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

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

We reject the null hypothesis

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

True

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

True

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

Regression

ANOVA

Independent T-test

Chi-squared