3b. Calculate the estimated population standard deviation, 5. (1 point, must show manual calculation process to earn the point) (29-1.90)2 + (30-1.90)2 + (30-1.90)2 + (30-1.90)2 + (28-1.90)2 + (30-1.90)2 + (29-1.90)2 + (30-1.90)2 + (30-1.90)2 + (29-1.90)2 (10-1)