Age groups
Definition
Age groups refer to distinct categories based on age ranges used for classification purposes in surveys or studies.
Analogy
Imagine you divide a marathon race into three age groups: teenagers (13-19 years), young adults (20-30 years), and adults (31-50 years). By categorizing the participants into different age groups, you can analyze their performance separately.
Related terms
Cohort: A group of individuals who share a common characteristic or experience during a particular time period. For example, people born in the same year form a birth cohort.
Demographics: Statistical data relating to the population and particular groups within it, such as age, gender, income level, etc.
Cross-sectional Study: A research design that analyzes data collected at a single point in time from different individuals or groups to understand relationships between variables.
"Age groups" appears in:
Subjects (2)
Practice Questions (2)
A survey was conducted to examine the preference for different smartphone brands among three age groups: teenagers (13-19 years), young adults (20-30 years), and adults (31-50 years). 50 teenagers preferred Apple, 30 teenagers preferred Samsung, 60 young adults preferred Apple, 40 young adults preferred Samsung, 40 adults preferred Apple, and 50 adults preferred Samsung. Calculate the expected count for young adults' preference for Samsung smartphones.
A researcher wants to investigate if there is a significant difference in the proportions of individuals who prefer different brands of soda across different age groups. They collect data on soda preference and age from a random sample of 500 individuals and create a contingency table. Which of the following procedures is most appropriate?
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