3. The weights of babies who were given two types of diets were recorded as follows: Diet A Diet B X1 = S1 1.04 = 5.80 X2 5.73 S2 1.13 n2 =14 %3D n, =14 At 0.05 level of significance, test whether the average weights of babies under diet A is significantly higher than those under diet B.

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