Calculate a correlation matrix for the following data. Which two variables have a strong positive relationship? Number of Group Infant Visits Birthweight in Fructosamine Attended grams 152 6 3175 173 5 3225 174 4 3350 175 4 3400 176 3 3530 183 2 3540 188 3 3525 192 3 3650 202 2 3600 205 2 3550 210 1 3950 215 2 3325 220 2 4500 258 1 4800 Infant birthweight and number of group visits attended Number of group visits attended and fructosamine O Infant birthweight and fructosamine