Use the quadratic equation
="x^{2} -22x=75" align="absmiddle" class="latex-formula"> to answer the following questions. Part A: Suppose an equivalent quadratic equation is written: 
.What value of c would make the equation a perfect square trinomial? Part B: Rewrite the equation in the form 
. Part C: Solve the Quadratic equation to find the positive solution for x. x =___. Part D: Solve the Quadratic equation to find the negative solution for x. x =___.
1 answer:
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Answer:
The standard deviation of the data set is .
Step-by-step explanation:
The Standard Deviation is a measure of how spread out numbers are. Its symbol is σ (the greek letter sigma)
To find the standard deviation of the following data set
we use the following formula
Step 1: Find the mean .
The mean of a data set is the sum of the terms divided by the total number of terms. Using math notation we have:
Step 2: Create the below table.
Step 3: Find the sum of numbers in the last column to get.
Step 4: Calculate σ using the above formula.
