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Explain your confidence intervals in context. Make sure to compare the 3 differe

ID: 3374467 • Letter: E

Question

Explain your confidence intervals in context. Make sure to compare the 3 different August intervals with each other. Is there a difference in the mean temperatures? Do they overlap. Are the mean temperatures increasing, etc.

Confidence Interval for 3 August

Year

x

s

n

t

Upper Limit

Lower Limit

2006

80.81

2.85

31

2.042

79.76

81.86

2011

81.68

4.42

31

2.042

80.06

83.3

2017

85.13

5.49

31

2.042

83.12

87.14

Confidence Interval for 3 August

Year

x

s

n

t

Upper Limit

Lower Limit

2006

80.81

2.85

31

2.042

79.76

81.86

2011

81.68

4.42

31

2.042

80.06

83.3

2017

85.13

5.49

31

2.042

83.12

87.14

Explanation / Answer

Here the interval for year 2006 and year 2007 overalap and similarly, interval for 2011 and year 2017 also overlap. But the confidence interval for year 2006 and year 2017 doesn't overlap that means there is signficant increase in the mean temperature in August month from year 2006 to year 2017.

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