- 7 8 The Mean Age Of Graduate Students At A University Is At Most 31 Years With A Standard Deviation Of Two Years A Ra 1 (25.28 KiB) Viewed 18 times
7. 8. The mean age of graduate students at a University is at most 31 years with a standard deviation of two years. A ra
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7. 8. The mean age of graduate students at a University is at most 31 years with a standard deviation of two years. A ra
statement correct? State why or why not in complete sentences.
7. 8. The mean age of graduate students at a University is at most 31 years with a standard deviation of two years. A random sample of 15 graduate students is taken. The sample mean is 32 years and the sample standard deviation is three years. Are the data significant at the 1% level? The p-value is 0.0264. State the null and alternative hypotheses and interpret the p-value. 31 HO: На: ц < 31 Interpret: What should you do when a> p-value? If you do not reject the null hypothesis, then it mu be true. Is this