Are there significant difference in the mean height of men and women ...

             We have two small samples of height of men and women   (adults).           168 176 182 159 181 191 140 166 169 179      155 163 172 166 168 169 160 160 160 158 162                    Assuming   the height of adult have the same standard deviation and are normally   distributed. Are there significant difference in the mean height of men and   women?