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C9 05 VI: A random sample of 100 students is taken from a larger population of students in a multi-lecture course and the sample
C9 05 VI: A random sample of 100 students is taken from a larger population of students in a multi-lecture course and the sample mean (average) of their final grades is 64. Suppose it is known that the population standard deviation is 5 You test whether there is signficant evidence that the population average differs from 65, using a level of significance of 3% Choose the most correct statement Note: You will have to calculate the test statistic by hand, but you can use R to get pur pvalue C) Your pvalue statement is 2P(Z > 200 your pvalue is 0.0228, and your decision is reject Ho. C) Your pvalue statement is 2P(Z > 200), your pvalue is 011910 and your decision is to fail to reject Ho. C) Your pvalue statement is 2P(Z > 200 your pvalue is 0.0455 and pur decision is to fail to reject Ho C) Your pvalue statement is 2P(Z > 200 your pvalue is 0.0465, and your decision is to reject Ho
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