Homework: HW #28-Section 8-5 Testing a Claim About a Stand Score: 0 ot 1 pt 8.5.

Question

Homework: HW #28-Section 8-5 Testing a Claim About a Stand Score: 0 ot 1 pt 8.5.11-T 60f 7 (3 complete) Hw Score: 32 86%, 2.3 of 7 pts|0 Question Hep A simple random sample of 28 fitered 100 mm cigaroftes is obtained from a normaly dstributed populaion, and ths tar comtent of each digaret is mesuned The sample has a standard deviation of 0 18 mg. Use a 0 01 signiicance level to test the claim that the tar content of fihered 100-mm cigarettes has a standard devistion different from 0.25 mg, which s the standard deviation for unfitered king-size cigarettes. Complete pen, (ath g (ebelo" a. What are the null and alternative hypotheses? Hoes # 0.25 mg H1.6:025 mg B. Ho: > 0.25 ng H 95025 mg OA. Ht: +025 mg

Explanation / Answer

Ans : Option D

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