researcher randomly selected 25 samples from natural brinjal and 27 samples from genetically  modified brinjal grown at a research farm, and recorded their weight as tabulated below. On the basis  of samples taken for the study, estimate whether there is a difference between population means at  95% confidence level. [Hint: Use two tailed t test assuming equal population variances]

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A researcher randomly selected 25 samples from natural brinjal and 27 samples from genetically 
modified brinjal grown at a research farm, and recorded their weight as tabulated below. On the basis 
of samples taken for the study, estimate whether there is a difference between population means at 
95% confidence level. [Hint: Use two tailed t test assuming equal population variances]
Weights of natural brinjal, in grams Weights of modified brinjal, in grams
125 140 140 185 160 180
130 160 165 165 145 190
3
126 120 135 160 150 145
127 150 130 170 155 160
150 155 165 180 160 170
135 145 170 190 145 180
140 140 130 170 140 145
150 145 145 150 135
160 165 130 155 185

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