A researcher wanted to test whether there is a difference in the average nitrogen content in the creek water for 4 different creeks in outer Melbourne. Along each creek, she took 10 random samples of water to measure and then determine the average for each creek.

What is the alternative hypothesis for this situation?

Question

A researcher wanted to test whether there is a difference in the average nitrogen content in the creek water for 4 different creeks in outer Melbourne. Along each creek, she took 10 random samples of water to measure and then determine the average for each creek.  
 
 What is the alternative hypothesis for this situation?

Answer

The average nitrogen content is not the same for all four creeks.

Answer

The average nitrogen content is zero (0)  for all four creeks.

Answer

The average nitrogen content is the same for all four creeks.

Answer

The nitrogen content for each of the 40 samples is different.

Answer

The average nitrogen content  is 0.05 mg/L  for all four creeks.

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A researcher wanted to test whether there is a difference in the average nitroge...

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