Asked by
Isaac VanArsdalen
on Oct 11, 2024
Verified
You read in the newspaper that Proposition Q is favored by 57% of those polled. The results of the survey are said to be accurate within ±2 percentage points using a 95% level of confidence. From the information provided, it can be inferred that the actual population value is probably between _____.
A) 58% and 64%
B) 57% and 95%
C) 55% and 59%
D) 93% and 97%
Percentage Points
Percentage points represent the absolute difference between percentages, clarifying changes in percentage rates rather than relative changes.
Level Of Confidence
A statistic that quantifies the degree of certainty or trust in a sampling method’s estimate of the population parameter.
- Acquire knowledge about the notion of sampling error and its relationship with sample size in determining the precision and confidence levels of research outcomes.
Verified Answer
BF
Learning Objectives
- Acquire knowledge about the notion of sampling error and its relationship with sample size in determining the precision and confidence levels of research outcomes.
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