1. Teachers teaching research methods are interested in knowing uhat study techniques their students are utilizing. Rather than assessing all Students, the researchers randomly select 10 students from each of the sections to comprise their sample.

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Directions: In each of the following examples, describe the types and
methods of sampLing being uSed.
1. Teachers teaching research methods are interested in knowing Uhat
study techniques their students are utilizing. Rather than assessing
all Students, the researchers randomly select 10 students from each
of the sections to comprise their sampLe.
2. A researcher has a population of 100 Grade 9 students froma local
school district from ühich a sompLe of 25 children is to be selected.
Each Child's nome is put on a List, ond each Child is assigned a number
from 1 to 100. Then the numbers 1 to 100 are written researcher picks
25 SLips of paper and the numbers on the paper determine the 25
participahts. separate pieces of paper and shuffLed. Finally, the
3. A sample of 2,000 was sought to estimate the average achievement
in Science of 6rade 8 Students in a City's public schooLs. The average
grade 8 enrollment in the city's secondary SchoolS iS 100 students.
Thus, 20 SchooLS were randorly Selected and within each of those
schools all grade 8 were tested.
4.A Sociologist conducts an opinion survey in a major city. Part of the
research plan calls for describing ond comparing the opinions of four
different ethnic groups: African Americans, Asian Americans, European
Americans, and Native Armericans. For a total sample of 300, the
researcher selects 75 participants from each of the four
predetermined subgroups.
5. A restaurant Leoves a fish boUL on the counter for diners to drop
their business cards. Once a month, a businesscard is pulled out to
award one Lucky diner with a free meal.
Transcribed Image Text:Directions: In each of the following examples, describe the types and methods of sampLing being uSed. 1. Teachers teaching research methods are interested in knowing Uhat study techniques their students are utilizing. Rather than assessing all Students, the researchers randomly select 10 students from each of the sections to comprise their sampLe. 2. A researcher has a population of 100 Grade 9 students froma local school district from ühich a sompLe of 25 children is to be selected. Each Child's nome is put on a List, ond each Child is assigned a number from 1 to 100. Then the numbers 1 to 100 are written researcher picks 25 SLips of paper and the numbers on the paper determine the 25 participahts. separate pieces of paper and shuffLed. Finally, the 3. A sample of 2,000 was sought to estimate the average achievement in Science of 6rade 8 Students in a City's public schooLs. The average grade 8 enrollment in the city's secondary SchoolS iS 100 students. Thus, 20 SchooLS were randorly Selected and within each of those schools all grade 8 were tested. 4.A Sociologist conducts an opinion survey in a major city. Part of the research plan calls for describing ond comparing the opinions of four different ethnic groups: African Americans, Asian Americans, European Americans, and Native Armericans. For a total sample of 300, the researcher selects 75 participants from each of the four predetermined subgroups. 5. A restaurant Leoves a fish boUL on the counter for diners to drop their business cards. Once a month, a businesscard is pulled out to award one Lucky diner with a free meal.
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