What is the standard deviation of the discrete random variable if the variance is 1.56?
Calculate Variance and Standard Deviation

Quiz
•
Mathematics
•
9th - 12th Grade
•
Hard
Barbara White
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
1.25
1.30
1.35
1.40
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the variance if the standard deviation is 1?
1
2
3
4
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Find the variance of the probability distribution of the random variable X which can take only the values 0, 1, 2, 3, and 4 given that P(0) = 1/10, P(1) = 2/10, P(2) = 3/10, P(3) = 2/10 and P(4) = 2/10.
1.54
1.56
1.58
1.60
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
12, 10, 10, 10, 13, 12, 11, 13, 10
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