An oceanographer claims that the mean dive duration of a North Atlantic right whale is 11.3 minutes. A random sample of 34 dive durations has a mean of 12.4 minutes and a standard deviation of 2.2...


An oceanographer claims that the mean dive duration of a North Atlantic right whale is 11.3 minutes. A random sample of 34 dive durations has a mean of 12.4 minutes and a standard deviation of 2.2 minutes. At α=0.10 is there enough evidence to reject the​ oceanographer's claim? Complete parts​ (a) through​ (d) below. Assume the population is normally distributed.


(a) Identify the claim and state H0 and Ha.


(b) use technology to find the P value. Find the standardized test statistic, t.


t=______


Obtain the P value


P=_______


(c)Decide whether to reject or fail to reject the null hypothesis:


(d) Interpret the decision in the context of the original claim:



Jun 08, 2022
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