Answer:
The correct answer will be "0.3043".
Step-by-step explanation:
The given values are:



then,

If researchers know representative sample n > 30 and default deviation those who use z-test
∴ 
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Answer:
Rise: 8.....Run: 4.... Slope: 2
One point is (-6,7) and the other one is (3,-4)
John is 31 and Jenny is 26