Calculate the sample standard deviation for the following n = 10 observations on fracture strength. Given: Σ X₁ = 1162; Σx;² = 140,992. Express your final answer using 2 decimal places (e.g., xx.XX). 128 131 142 87 93 168 105 114 96 98

Spacers are manufactured to the mean dimension and tolerance shown in Figure 29-12. An inspector measures 10 spacers and records the following thicknesses: 0.372" 0.376" 0.379" 0.375" 0.370" 0.373" 0.377" 0.378" 0.371" 0.380" Which spacers are defective (above the maximum limit or below the minimum limit)? All dimensions are in inches.