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What are the four types of data?
The four types of data are nominal, ordinal, interval, and ratio.
Define the term nominal data.
Nominal data is categorical data used to classify or group information, where categories have no numerical or quantitative meaning.
True or False?
Interval data includes a true zero point.
False.
Interval data does not include a true zero point. Ratio data includes a true zero point.
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What are the four types of data?
The four types of data are nominal, ordinal, interval, and ratio.
Define the term nominal data.
Nominal data is categorical data used to classify or group information, where categories have no numerical or quantitative meaning.
True or False?
Interval data includes a true zero point.
False.
Interval data does not include a true zero point. Ratio data includes a true zero point.
What does ordinal data mean?
Ordinal data is a type of data that can be ordered or ranked into categories, but the intervals between categories may not be equal.
State the meaning of ratio data.
Ratio data is the highest level of measurement that includes a true zero point, allowing for comprehensive analysis and all mathematical operations.
What is the Mann-Whitney U test?
The Mann-Whitney U test is a nonparametric test used to compare two independent groups to determine if there is a significant difference between their distributions.
True or False?
The Mann-Whitney U test requires normally distributed data.
False.
The Mann-Whitney U test makes no assumptions about the data being normally distributed.
Define the critical value in relation to the Mann-Whitney U test.
The critical value in the Mann-Whitney U test is a threshold value used to determine if the test result is statistically significant at a given significance level.