Consider two independent distributions that are mound-shaped. A random sample of size n1=36 from the first distribution showed x¯1=15, and a random sa

Dottie Parra

Dottie Parra

Answered question

2021-06-29

Take into account two mound-shaped independent distributions. A random sample of size n1=36 from the first distribution showed x1=15, and a random sample of size n2=40 from the second distribution showed x2=14. Based on the calculated confidence intervals, can you be 95% confident that μ1 is larger than μ2? Explain.

Answer & Explanation

odgovoreh

odgovoreh

Skilled2021-06-30Added 107 answers

Confidence intervals found in previous parts:
(b) —0.5802 to 2.5802 (d) —0.6366 to 2.6366 (e) 0.6076 to 2.6076
All confidence intervals contain both negative and positive numbers, as you may have noticed, which indicates that we can be 95% confident that 11 is not different from μ2, because μ1μ2 can be zero.

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