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
The answer is endocrine system. It is a collection of glands producing hormones that woulf regulate tissue function, growth development and regulate metabolism. The hormones would then be carried out to the circulatory system.Hope this answer would be of help.
I have no clue, there is nothing else here to support your question.
Answer: A. 50%
Explanation:
Because there is only two type they can get so divided is 50/50.