Which organisms would weather the rock to
1 answer:
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Answer: t= -1.60
Explanation:
Let be the population mean weight of pigs.
As per given , we have
Sample size : n= 16
Sample mean =
Sample standard deviation :
<em>Since the population standard deviation is not known so the test is a</em><em> t-test.</em>
Test statistic for population mean :
(Substitute all the values.)
Hence, the value of the test statistic needed to test the null hypothesis : t= -1.60