16. Researchers want to compare students at private vs. public universities with respect to how much time they spend working in a typical week. They e-mailed a survey to 1000 students at a particular private school and to 2000 students at a particular public school. Data from the 400 private and 900 public school students who returned the survey indicated there was a significant difference in the mean hours worked per week. Which of the following does not limit the researchers ability to generalize to the 2 populations of interest?

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**Educational Text:**

Researchers are interested in comparing students at private versus public universities regarding the amount of time they spend working in a typical week. A survey was emailed to 1,000 students at a particular private school and to 2,000 students at a particular public school. Out of these, 400 private and 900 public school students responded to the survey, revealing a significant difference in the mean hours worked per week.

The researchers are evaluating factors that might limit their ability to generalize their findings to the wider populations of interest. Consider the following points:

(a) There may be bias due to nonresponse.

(b) The two sample sizes are not equal.

(c) The samples were not randomly selected.

(d) All the students in the survey attend either one private or one public university.

(e) All of the above factors limit the researchers' ability to generalize.

**Question:** Which of the following options does *not* limit the researchers' capacity to generalize their results to the two populations of interest?
Transcribed Image Text:**Educational Text:** Researchers are interested in comparing students at private versus public universities regarding the amount of time they spend working in a typical week. A survey was emailed to 1,000 students at a particular private school and to 2,000 students at a particular public school. Out of these, 400 private and 900 public school students responded to the survey, revealing a significant difference in the mean hours worked per week. The researchers are evaluating factors that might limit their ability to generalize their findings to the wider populations of interest. Consider the following points: (a) There may be bias due to nonresponse. (b) The two sample sizes are not equal. (c) The samples were not randomly selected. (d) All the students in the survey attend either one private or one public university. (e) All of the above factors limit the researchers' ability to generalize. **Question:** Which of the following options does *not* limit the researchers' capacity to generalize their results to the two populations of interest?
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