Is the proportion of childless adults in the United States who don't plan to ever have children increasing
over time? This question was investigated using data from two surveys of adults ages 18 to 49 who do not
have children, one conducted in 2018 and one conducted in 2021. The data from these two samples were
used to estimate the difference in the proportions who don't plan to have children for the two years.
Answer the four key questions.
Q, Question Type: Estimation or hypothesis testing?
S, Study Type: Sample data or experiment data?
T, Type of Data: One variable or two? Categorical or numerical?
N, Number of Samples or Treatments: How many samples or treatments?
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Q, Question Type: Estimation or hypothesis testing?
Estimation
S, Study Type: Sample data or experiment data?
Sample data
T, Type of Data: One variable or two? Categorical or numerical?
One variable, categorical
N, Number of Samples or Treatments: How many samples or treatments?
Two samples, one for the survey conducted in 2018 and another for the survey conducted in 2021.
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