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AP Statistics
Unit 7 – Means
Topic 7.7
Which of the following statements is true regarding the confidence interval for the difference of two population means?
It represents the range of values within which the true population parameter is likely to fall with a certain level of confidence
It is calculated by taking the sum of the two sample means and adding the margin of error
It provides the exact point estimate of the difference between the population means
It only depends on the sample size of one population
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AP Statistics - 7.7 Justifying a Claim About the Difference of Two Means Based on a Confidence Interval
Key terms
Confidence Interval
Difference of two population means
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