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There is popular belief that herbal remedies such as Ginkgo Biloba and Ginseng may improve learning and memory in health

Posted: Wed Jul 06, 2022 12:22 pm
by answerhappygod
There is popular belief that herbal remedies such as GinkgoBiloba andGinseng may improve learning and memory in healthy adults. In a newstudy, aresearcher obtains a sample of n = 36 participants and has eachperson take theherbal supplements every day for 90 days. The researcher wants toassess whethermemory scores will increase for those taking the herbal remedies.At the end of 90days, each person takes a standardized memory test. For the generalpopulation,scores from the test are normally distributed with a mean of μ = 80and a standarddeviation of σx = 18. The sample of research participants had anaverage of 84..c. In a sentence, state the null hypothesis.d. Using symbols, state the null hypothesis.e. Using symbols, state the alternative hypothesis.f. Conduct the hypothesis test using a two- tailed test with alpha= .05.g. What is your conclusion regarding the null hypothesis? Shouldyou reject or fail toreject the null hypothesis?h. What can you conclude about herbal remedies and memory based onyourhypothesis test results?