A machine tool operator thinks that fumes emitted in the workshop are instrumental in the low efficiency of the operators. She would like to prove that to

her supervisors through a research study. If you were her, how will you design this

experiment and this research study?

a) How will you follow the concepts of randomization, replication and local

control?

b) What will be Completely Randomised Design (CRD), Randomised Block

Design (RBD) and Latin Square Design (LSD) in this case?​

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

Which graph represents an even function?

Use the following statements to write a compound statement for the conjunction or disjunction. then find its truth value. p: an isosceles triangle has two congruent sides. q: a right angle measures 90° r: four points are always coplanar. s: a decagon has 12 sides. a) a right angle measures 90° or an isosceles triangle has two congruent sides; true. b) a right angle measures 90° and an isosceles triangle has two congruent sides; true. c) a right angle measures 90° and an isosceles triangle does not have two congruent sides; false. d) a right angle measures 90° or an isosceles triangle does not have two congruent sides; true.