The way the sample was chosen may overrepresent or underrepresent students taking certain language classes.
Given
Charles wants to find out if the students in foreign language classes spend more time in class speaking in English or in the foreign language they are studying.
Charles first gets class lists of all students taking foreign language classes.
He then chooses 10 students from each different language class to survey.
What is the sample size?
The sample size is defined as the number of observations used for determining the estimations of a given population.
The size of the sample has been drawn from the population.
The sample size is not large enough to represent the population.
1. The Sample size is quite small per language.
The sample was not chosen at random.
2. There is no evidence if samples are not random.
The way the sample was chosen may overrepresent or underrepresent students taking certain language classes.
3. Some of the classes may have large, some may have a small population.
Therefore taking 10 samples from each language is not the right proportion and proper representation.
The way the sample was chosen does not sample students from each different language class.
4. Each language class is considered.
Hence, The way the sample was chosen may overrepresent or underrepresent students taking certain language classes.
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