Calculate the density of a block of metal with a volume of 12.5 cm3 and mass of 126.0 g
1 answer:
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Answer:
H0:
H1:
Now we can calculate the statistic like this:
And the best option would be:
b. 2.25
Step-by-step explanation:
Information given
represent the sample size A
represent the sample size B
represent the sample deviation for A
represent the sample deviation for B
Solution to the problem
We want to test if the variation for A it's equal to the variation for B, so the system of hypothesis are:
H0:
H1:
Now we can calculate the statistic like this:
And the best option would be:
b. 2.25