Respuesta :
Sample is subset of population set .It is only a part of population.
For the given statistical study, we have to select the sample and population .
The option ‘The sample is the 50 conference attendees, and the population is all teachers in the state’ is correct.
Population:
The set of all people, items, that are required for a specific study is defined as the population.
Sample:population is a big size data and it is not easy to examine each individual .
Hence, a smaller group of individuals are selected from the population of interest. The small groups are called the sample.
Parameter:
The population parameter is defined as number that describes the population. Also, it can be a numerical value that represents the population.
Statistic:
The statistical measure which is calculated on the basis of sample observations is called Statistic.
Population size is defined as the total number of subjects in any given
statistical study. It is denoted by N.
Sample size is defined as the total number of subjects that are included in sample. It is denoted by n.
From the information, the staff members of a high school newspaper are interested to know the estimate for the average number of years teachers in the state have been teaching. For this a sample of 50 conference attendees of staff members are selected randomly.
The population involves all the units considered in the study. In this study the staff membersof a high school needs to estimates the average number of years value for all the teachers in the state. This indicates that the population in the study is ‘all the teachers in the state'.
So, correct option is option ( A).
To learn more about Population and sample , refer:
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Complete question:
Staff members of a high school newspaper want to obtain an estimate of the average number of years teachers inthe state have been teaching. At an educational conference attended by many teachers in the state, the staffmembers randomly selected 50 conference attendees and asked the attendees how long they have been teaching.Which of the following describes the sample and the population to which it would be most reasonable for thestaff members to generalize the results?
(A) The sample is the 50 conference attendees, and the population is all teachers in the state.
(B) The sample is the 50 conference attendees, and the population is all conference attendees.
(C) The sample is all conference attendees, and the population is all teachers in the state.
(D) The sample is all conference attendees, and the population is the 50 conference attendees
(E) The sample is the average number of years that all conference attendees have taught, and the population isall conference attendees.
