# Stat Exam 1

A psychologist wants to know if adults with normal vision can be fooled by a certain optical illusion. She recruits 50 students from a list of students in her PSY 120 class and finds that 42 of them are fooled by the illusion

The population in this study is?
a. all students in the PSY 120 class
b. all adults with normal vision
c. the 42 students who were fooled
d. the 50 students who served as subjects
e. a list of students in her PSY 120 class
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A psychologist wants to know if adults with normal vision can be fooled by a certain optical illusion. She recruits 50 students from a list of students in her PSY 120 class and finds that 42 of them are fooled by the illusion

The population in this study is?
a. all students in the PSY 120 class
b. all adults with normal vision
c. the 42 students who were fooled
d. the 50 students who served as subjects
e. a list of students in her PSY 120 class
A psychologist wants to know if adults with normal vision can be fooled by a certain optical illusion. She recruits 50 students from a list of students in her PSY 120 class and finds that 42 of them are fooled by the illusion

Identify the sample for this survey.
a. all students in her PSY 120 class
b. all adults with normal vision
c. the 42 students who were fooled
d. the 50 students who served as subjects
e. a list of students in her PSY 120 class
A psychologist wants to know if adults with normal vision can be fooled by a certain optical illusion. She recruits 50 students from a list of students in her PSY 120 class and finds that 42 of them are fooled by the illusion

What is the parameter?
a. all students in the PSY 120 class
b. all adults with normal vision
c. the 42 students who were fooled
d. the 50 students who served as subjects
e. a list of students in her PSY 120 class
A psychologist wants to know if adults with normal vision can be fooled by a certain optical illusion. She recruits 50 students from a list of students in her PSY 120 class and finds that 42 of them are fooled by the illusion

What is the statistic?
a. all students in the PSY 120 class
b. all adults with normal vision
c. the 42 students who were fooled
d. the 50 students who served as subjects
e. a list of students in her PSY 120 class
A psychologist wants to know if adults with normal vision can be fooled by a certain optical illusion. She recruits 50 students from a list of students in her PSY 120 class and finds that 42 of them are fooled by the illusion

What is the sampling frame?
a. all students in the PSY 120 class
b. all students with normal vision
c. the 42 students who were fooled
d. the 50 students who served as subjects
e. a list of students in her PSY 120 class
Odero wants to take an SRS of 15 of the 50 students who reside in a large college dormitory. He labels the students 01 to 50 in an alphabetical order. In the table of random digits he read the entries:

38448 48789 18338 24697 39364 42006 76688 08708

The first four students in your sample have labels?