Answer:
1, 2, 4
Step-by-step explanation:
Why is it necessary that researchers use randomization to assign each of the adults to a group?
- randomization ensures each group will be similar in everything except the time of day they are assigned to work
- randomization prevents the adults from selecting their own group
- randomization eliminates lurking variables from the experiment
- randomization prevents the researches from specifically assigning all adults who regularly stay up late to complete assigned tasks late at night
- randomization ensures that there will an equal number of adults in each group
Randomization ensures that there is no selection bias.
Answer:
question?
Step-by-step explanation:
Answer: A = 7 unit^2
Explanation:
First let’s cut the shape into 1 square and 1 trapezoid.
After that we can calculate the 2 polygons individually
Find area of square:
A = 2 x 2 = 4
Find area of trapezoid:
A = (2 + 1)2/2 = 3
Find area of the whole shape
Answer:228
Step-by-step explanation:
8x6 + 12x10 + 10x6