A researcher wants to study the academic perfomance of public high schoolers in a certain region. The region has 20 public high schools. Assume that each school is similar to each other, because each school has rougnly the same number of students in each grade level, the same student-to-teacher ratio, and the same types of extracirricular activities available. Instead of surveying all students from all 20 high schools, the researcher studies a sample made up of all students from only 5 schools. This type of sampling is an example of O A. cluster sampling O B. judgment sampling O C. stratified sampling O D. systematic sampling O E. simple random sampling

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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QUESTION 1
A researcher wants to study the academic perfomance of public high schoolers in a certain region. The region has 20 public high schools. Assume that
each school is similar to each other, because each school has roughly the same number of students in each grade level, the same student-to-teacher
ratio, and the same types of extracirricular activities available. Instead of surveying all students from all 20 high schools, the researcher studies a sample
made up of all students from only 5 schools. This type of sampling is an example of
O A. cluster sampling
O B. judgment sampling
O C. stratified sampling
O D. systematic sampling
O E. simple random sampling
QUESTION 2
A confidence interval was found to be (2.4, 7.9). What was the point estimate?
O A. 5.34
O B. 527
DELL
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F5
F6
F7
F8
F9
F10
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F2
F3
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23
24
&
2
3
4
7
W
E
Transcribed Image Text:QUESTION 1 A researcher wants to study the academic perfomance of public high schoolers in a certain region. The region has 20 public high schools. Assume that each school is similar to each other, because each school has roughly the same number of students in each grade level, the same student-to-teacher ratio, and the same types of extracirricular activities available. Instead of surveying all students from all 20 high schools, the researcher studies a sample made up of all students from only 5 schools. This type of sampling is an example of O A. cluster sampling O B. judgment sampling O C. stratified sampling O D. systematic sampling O E. simple random sampling QUESTION 2 A confidence interval was found to be (2.4, 7.9). What was the point estimate? O A. 5.34 O B. 527 DELL PrtScr Esc F5 F6 F7 F8 F9 F10 Fn F2 F3 F4 23 24 & 2 3 4 7 W E
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