Examlex
When atoms of beryllium-9 are bombarded with alpha particles, neutrons are produced. What new isotope is also formed
Personal Interview
A qualitative research method involving direct face-to-face conversation between the interviewer and respondent to gather information or data.
Data Collection
Data collection is the process of gathering and measuring information on variables of interest, systematically, enabling one to answer stated research questions.
Sampling Error
The discrepancy or error that arises when a sample statistic does not perfectly represent the corresponding population parameter, due to the selection of a random subset.
Sample Size
The number of individual observations or data points collected and included in a sample from a larger population.
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