Question
Mary and Joe separately conduct studies to test Ho: = 300 against Ho: 300, each with n = 800. Mary gets = 219.5, with se
Mary and Joe separately conduct studies to test Ho: = 300 against Ho: 300, each with n = 800.
Mary gets = 219.5, with se = 5 Joe gets = 219.7, with se = 8
(a) Calculate the test statistic and P -value for both.
(b) Using a = 0.050, for each study indicate whether the result is " statistically significant. "
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Probability and Stochastic Processes A Friendly Introduction for Electrical and Computer Engineers
Authors: Roy D. Yates, David J. Goodman
3rd edition
1118324560, 978-1118324561
