To Determine: The type of example for the average of 2.3 meals.
Answer: The correct option is b. statistic.
Reason for correct answer:
Since, average is taken over sample observations. So, it’s a function of sample observations, therefore average 2.3 is a statistic.
Reason for incorrect answer:
Option a.: Parameter is the function of population observations but we are given average of sample observations.
Option c.: Since, population is not a numerical value, so average 2.3 cannot be example of population.
Option d.: Since, sample is not a numerical value, so average 2.3 cannot be example of sample.
The correct answer is b. statistic.
A parameter is a functional unit or a numerical characteristic obtained from a population.
Statistic is a numerical characteristic obtained from a sample. A sample is a subset or part of a population.
A collection of all outcomes, people or measurements of interest is termed as population.
The information about the population is obtained from the sample. That is, a sample is considered to be a subset of the given population.
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