A city health department wishes to determine if the mean bacteria count per unit volume of water
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Question:
175, 190, 205, 193, 184, 207, 204, 193, 196, 180
Do the data strongly indicate that there is no cause for concern? Test with α=0.05.α=0.05.
(a) Formulate the null and the alternative hypothesis.
(b) State and calculate the test statistics from the data.
(c) Calculate the P-value.
(d) Draw a conclusion.
Related Book For
Elementary Statistics A step by step approach
ISBN: 978-0073386102
8th edition
Authors: Allan Bluman
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