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Survey

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AP Statistics

Definition

A survey is a method of collecting data from a sample of individuals to gain information about a larger population.

"Survey" also found in:

Subjects (7)

Practice Questions (4)

Suppose we have a survey where respondents were asked about their favorite ice cream flavors, and the expected distribution of flavors among respondents is as follows: 25% chocolate, 30% vanilla, 20% strawberry, and 25% mint. If we collect data from a sample of 200 respondents, what would be the expected frequency distribution for each flavor category?
A survey was conducted to examine the preference for different smartphone brands among three age groups: teenagers (13-19 years), young adults (20-30 years), and adults (31-50 years). 50 teenagers preferred Apple, 30 teenagers preferred Samsung, 60 young adults preferred Apple, 40 young adults preferred Samsung, 40 adults preferred Apple, and 50 adults preferred Samsung. Calculate the expected count for young adults' preference for Samsung smartphones.
A survey was conducted to compare the proportion of students who prefer math and those who prefer literature. The 95% confidence interval for the difference in proportions is (-0.03, 0.15). What does this interval suggest?
A teacher conducted a survey to compare the proportion of students who passed a test before and after a tutoring program. The 99% confidence interval for the difference in proportions is (-0.05, 0.15). What does this interval suggest?

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