Randomization is important to ensure that both groups are roughly equivalent regarding students’ preparedness, anxiety levels, and study skills.
<h3>What is randomization in an experiment?</h3>
Randomization is when subjects in an experiment are placed in either the control group or the treatment group without any structure. They are placed in either groups randomly. The purpose of randomization is to ensure that subjects in either group are homogenous.
To learn more about randomization, please check: brainly.com/question/20629933
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if / means absolute value, then the answer is -3. The absolute value of 3 is 3, then you take the negative value of it, which is -3.
Btw, the absolute sign is ||, not //.
Answer:
P= 221cm
A=2044
Step-by-step explanation:
Perimeter : add all sides so 73+92+56= 221 cm
Area: 73(56/2)= 2044
Answer:
£7.50
Step-by-step explanation:
Hope this helps! If I could have brainliest I'm trying to rank up :)
Answer:
She did no divide each addend correctly
Step-by-step explanation:
Given
12 + 32 ← factor out 4 from each addend
= 4(3 + 8)
As 4 × 3 = 12 and 4× 8 = 32
Valerie had 12 + 32 = 4(1 + 10) ← incorrect statement
