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An industrial company claims that the mean pH level of the water in a nearby river...

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Statistics

An industrial company claims that the mean pH level of the waterin a nearby river is 6.8 you randomly select 19 water sample meanand standard deviation are 6.7 and 0.24, respectively. is thereenough evidence to reject the company claim at a=0.05? Assume thepopulation normally distributed.

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The provided sample mean is 67 and the sample standarddeviation is s 024 and the sample size is n 19 1 Null andAlternative HypothesesThe following null and alternative hypotheses need to    See Answer
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