The weights of 20 men have mean x=190 pounds and standard deviation s=pounds. What is the standard error of the mean? a) 42.5
b) 2.7
c) 5
d) 0.8)
e) 35

3-12. write each answer with a reasonable number of figures. find the absolute uncertainty and percent relative uncertainty for each answer. (a) [12.41 (±0.09) + 4.16 (±0.01)] x 7.068 2 (±0.000 4) =? (b) [3.26 (±0.10) x 8.47 (±0.05)] - 0.18 (±0.06) =? (c) 6.843 (±0.008) x 104 + [2.09 (±0.04)- 1.63 (±0.01)] =?

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

Asquare has a perimeter of sixteen centimeters. what is the length of each of its sides? a. 8 cm c. 9 cm b. 4 cm d. 10 cm select the best answer from the choices