What other explanations can you offer for the differences found in this project? Please consider…

What other explanations can you offer for the differences
found in this project? Please consider that New Zealand is more advanced
economically than Indonesia and there is—contrary to Indonesia—a large middle
class in New Zealand.

1. Please identify several potential sampling errors in
the cases below:

Case 1. A professor studies students’ ethnic stereotypes.
There are 55 people in his class. On Monday morning, 25 showed up for class.
The professor asks these students to fill out questionnaires, assuming that a
group of 25 is a representative sample for this particular class.

Case 2. A

What other explanations can you offer for the differences
found in this project? Please consider that New Zealand is more advanced
economically than Indonesia and there is—contrary to Indonesia—a large middle
class in New Zealand.

1. Please identify several potential sampling errors in
the cases below:

Case 1. A professor studies students’ ethnic stereotypes.
There are 55 people in his class. On Monday morning, 25 showed up for class.
The professor asks these students to fill out questionnaires, assuming that a
group of 25 is a representative sample for this particular class.

Case 2. A student union conducts a poll among students by
collecting 300 responses from 150 men and 150 women. The interviews took place
in the college library where patrons are approached at random and asked to
answer a few questions.

Case 3. A radio talk show host decides to study people’s
opinions about affirmative action and asks listeners to send their e-mails to
the station.