Given the following data find the straight-line equation

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Given the following data, find the straight-line equation using the least square method.

Find the standard error.

X= 1, 2, 3, 4, 5, 6, 7, 8, 9, 10.

Y= 2.5, 4.8, 6.5, 7.9, 9.7, 11.1, 12.7, 14.7, 16, 17.4

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