What is the standard deviation for the data set?

138, 129, 145, 134, 142, 159, 153, 142, 127

express your answer as a decimal to the nearest tenth.

enter your answer in the box.

p. s: not actually asking just for those with the same question.

Fill in the blank 1. a rhombus is a rectangle a) always b) sometimes c) never 2. a square is a quadrilateral a) always b) sometimes c) never 3. a trapezoid is a kite a) always b) sometimes c) never 4. a quadrilateral is a kite a) always b) sometimes c) never 5. a square is a rhombus a) always b) sometimes c) never 6. a parallelogram is a rectangle a) always b) sometimes c) never