Use the following calculations in the relevant formulas to answer the questions

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n = 7 (Greek)E(x − x̄) = 4,924.00
x̄ =44 E(y − ȳ)= 904,627.43
ȳ =553 E(y − ŷ)= 35,168.50
Exy =235,843 E(ŷ − ȳ)= 869,458.93
Ex^2 = 18,476
To build a confidence interval for the slope coefficient b©û the standard error of b1, se(b1) = _____
1.195
2.241
3.244
4.242