Answer:
Option 4 is the correct answer.
Explanation:
<h2>Randomization eliminates lurking variables from the experiment.</h2><h2 />
Randomization is adopted due to the fact that it removes lurking variables. By lurking variables we mean the extraneous variables which are unknown but can effect the other variables that are of interest.
Randomization is necessary in experiments to ensure that the generated result may not be biased or misleading.
<h3>I hope it will help you!</h3>
The correct answer for the question that is being presented above is this one: "c. Legend gallery." <span>To format the legend on the chart, use the legend gallery. It is where you can refer for something based on the graph or table or data.</span>
Here are the following choices:
a. Formulas tab
b. Review tab
c. Legend gallery
d.Legend style
D. Writing the methods of the classes
I think is the second one or the first one