question answer c and E can any one help me why 95 lower limit and upper limit not match with excel data as well as correlation coefficient is not matching in answer E X 250 270 290 310 330 350 1800 300 1 955 1 935 1 89 1 92 1 895 1 865 11 46 1 91 xy 488 75 522 45 548 1 595 2 625 35 652 75 3432 6 2 62500 72900 84100 96100 108900 122500 547000 3 8220 3 7442 3 5721 3 6864 3 5910 3 4782 21 894

Question: question answer c and E . can any one help me why 95% lower limit and upper limit not match with excel data as well

X 250 270 290 310 330 350 1800 300 1.955 1.935 1.89 1.92 1.895 1.865 11.46 1.91 xy 488.75 522.45 548.1 595.2 625.35 652.75 3432.6 *2 62500 72900 84100 96100 108900 122500 547000 3.8220 3.7442 3.5721 question answer c and E . can any one help me why 95% lower limit and upper limit not match with excel data as well as correlation coefficient is not matching in answer E.

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