12 Questions
What is the primary purpose of data processing?
To edit, code, classify and tabulate collected data
Which of the following is NOT a step in the process of data analysis?
Collecting raw data from primary sources
What is the purpose of subjecting relationships to statistical tests of significance?
To determine the validity of conclusions drawn from the data
Which level of measurement is used for categorizing variables like rock types or shapes?
Nominal
What is the mode as a measure of central tendency?
The most frequent value in the dataset
Which level of measurement allows for ranking or ordering of data values?
Ordinal
What does 'mean' represent in statistics?
The sum of all values divided by the total number of values
Which data type involves naming categories without ranking them?
Nominal
In which data type are categories ranked but the differences between them are not necessarily equal?
Ordinal
Which data type involves precise ranking with equal intervals between categories?
Ratio
What is the key feature of ordinal data?
Precise ranking with inconsistent intervals
Which data type involves numerical values with a true zero point?
'Ratio'
Learn the essential concepts of data analysis, including processing data for analysis and identifying patterns and relationships among different data groups. Understand the importance of statistical tests for confirming or refuting hypotheses.
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