adambbogard1589
02.12.2019 •
Mathematics
Atelephone poll of a simple random sample of 1234 adults found that 62% are generally satisfied with their lives. the announced margin of error for the poll was 3%.
does the margin of error account for the fact that some adults will lie about life satisfaction when talking to strangers over the phone?
a) yes. the margin of error includes all sources of error in the poll.
b) yes. taking a simple random sample eliminates any possible bias in estimating the population proportion.
c) no. the margin of error only includes sampling variability
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