Answer:
1:1
Step-by-step explanation:
Obviously, 2013. 2013-2014 (1 year) 2014-2015 (2 years) etc etc
Answer:
For the first city, the 95% confidence interval would be:
28,900 +/- 2300 x 3 = 28,900 +/-6900$
For the second city, the 95% confidence interval would be:
30,300 +/- 2100 x 3 = 30,300 +/- 6300$
2.9
30
1/2(2.9)30
the same. despite different formulas.
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