Tag: some mathematical tools used in economics

Census surveys cover the entire population, which theoretically eliminates sampling error and provides a more comprehensive and accurate picture than a sample survey.

Because the census method involves collecting data from every single unit in the population, it is considered highly reliable for accurate representation.

The World Bank is an international organization, and its reports are considered foreign publications in the context of national statistical data collection.

In a class interval, the lower and upper values that define the range of the class are known as class limits.

Governments regularly publish a vast amount of statistical data, such as census reports, economic surveys, and trade statistics. The statement is false.

Questionnaire methods are generally the slowest because they rely on the respondent's willingness and time to complete and return the forms, often involving postal delays.

Secondary data is often less reliable than primary data because it was collected for a different purpose, may be outdated, or may contain errors from the original collection process.

The Pearson correlation coefficient ranges from -1 to 1. The value 1 represents a perfect positive linear correlation.

Height is a quantitative variable because it can be measured numerically. Qualitative variables are attributes that cannot be measured numerically, like color or gender.