The heights (in centimeters) of some randomly selected Men's World Cup soccer players from both Europe and the U.S. are given below. Europe 169 170 171 175 175 175 178 180 181 182 184 185 185 187 189 United States 167 168 169 173 176 176 178 180 180 181 183 183 186 187 187 Assume significance level is a= 0.05: Is there a difference between the heights of European and American soccer players? What is the critical value(s) for this test?   A) plus/minus 2.575 B) plus/minus 1.96 C) plus/minus 2.145 D) plus/minus 1.751 E) plus/minus 2.131

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