The figure shows the results of a recent Marist poll asking about President Biden’s approval rating. The range of the confidence interval for these data points is 4.3%. For example, the first row shows that among all adults in the nations, 42% approve of Biden’s work. This means that confidence intervals
The figure shows the results of a recent Marist poll asking about President Biden’s approval rating. The range of the confidence interval for these data points is 4.3%. For example, the first row shows that among all adults in the nations, 42% approve of Biden’s work. This means that confidence intervals
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 7PPS
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- The figure shows the results of a recent Marist poll asking about President Biden’s approval rating. The
range of the confidence interval for these data points is 4.3%. For example, the first row shows that among all adults in the nations, 42% approve of Biden’s work. This means that confidence intervals for this result would be approximately (38, 46).
a. The figure shows that people with less income are more likely to approve of Biden’s work than people with higher income. Is this result statistically significant given the width of the confidence interval? Explain.
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