The final exam grade distribution for all students in the introductory statistics class at a local community college is displaye
d in the table, with A = 4, B = 3, C = 2, D = 1, and F = 0. Let X represent the grade for a randomly selected student from the class.
What is the standard deviation of the distribution?
A) 1.16
B) 1.08
C) 1.41
D) 2.98
What is the standard deviation of the distribution?
A) 1.16
B) 1.08
C) 1.41
D) 2.98
2 answers:
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Answer:
ANSWER: Option B.
Step-by-step explanation:
Hey there!
The equation is;
Now, Take 'x' to right side and '-7' to left side.
Simplify them to get answer.
Therefore the value of x is 2.
<em><u>Hope</u></em><em><u> </u></em><em><u>it helps</u></em><em><u>.</u></em><em><u>.</u></em>
not enough information is correct answer
