Several years ago, the mean height of women 20 years of age or older was 63 7 in

Question

Several years ago, the mean height of women 20 years of age or older was 63 7 inches Suppose that a random sample of 45 women who are 20 years of age or older today results in a mean height of 64 8 inches a) State the appropriale null and alternalive hypolheses to assess whether women are taller today b) Suppose the P-value for this best is 0.03 Explain what this value represents (C)Wrte a conduson tor his hypothesis test assumag an -010 lovel of sig hance Sta etho approprate na and atenatve hypotheses to assess whether women are taler today A. H, -648in versus H1P4648n b) Suppose the P-yatue for this test is 003 Explain what this value represents A There is a 0 03 probuatbility of obtaining a sample mean height of exactly 64 8 inches from a population whose mean height is 63,7 inches B. There ts a 0 03 probablity of obtaining a sample mean height of 64 8 inches or shorter trom a population whose mean heignt is 63.7 ches . There is a 0 03 protbability of obtaining a sample mean height of 64 8 inches or taller trom a population whose mean height s63 7 inches O D. There is a 0 03 probability of obtaining a sample mean height of 63.7 inches or taller trom a population whose mean height i 64.8 inches covete a coroason torts hypothesis tes' assuring···O10level of sgdcance A DonoteendbenA hypothess Therois not sufoert eadence to coreude hat the mean hegof ren 20 years of age or alar geater today B. Do not reect the nuil hypothesis There is sufficient evidence to conclude that the mean height of women 20 years of age or oider is greartody C. greatr today Rejedt the nuil hypothesis Thene i sufficient evidence to conclude that the mean height off women 20 years of age or older s Click to select your an lype here to search d DOLL

Explanation / Answer

(a) Null and alternative hypothesis

Answer : Option (B)

(b) The value represents

Answer : Option (C)

(c) Conclusion

Answer: Option (C)

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