Data is collected from a sample of 100 randomly selected students at the City University of New York that showed that the mean number of college credits earned per year is 25.6 with a standard deviation of 2.1
. Are these numbers statistics or parameters? Explain. The numbers are parameters because the numbers were calculated for a sample of City University of New York students and are estimates. The numbers are statistics because the numbers were calculated for a sample of City University of New York students and are estimates. The numbers are statistics because the numbers were calculated for all City University of New York students. The numbers are parameters because they numbers were calculated for all City University of New York students.

Respuesta :

The correct answer here is the numbers are statistics because the numbers were calculated from a sample of city University of New York students and are estimates.

The collection, organisation, analysis, interpretation, and presentation of data are the main topics of study in statistics. When applying statistics to a scientific, industrial, or social problem, it is typical to start with a statistical population or a statistical model that will be studied.

Various groupings of people or things can be referred to as populations, such as "each person living in a country" or "each atom making up a crystal."

Statistics covers every aspect of data, including the planning of data collection in terms of the design of surveys and experiments.

In the absence of a census, statisticians create specialised experiment designs and survey samples to collect data. A representative sample guarantees that generalisations and inferences to the total population from the sample are valid.

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