Directions:
Read the following statements/questions below and choose the letter that corresponds to
the correct answer. Write the answer in your answer sheet.
1. If the standard deviation of a dataset is 4, What is the Variance?
A. 2
B. 4
C. 16
D. 8
2. What is the variance of the first 10 natural numbers (1 to 10)?
A. 2.87
B. 8.25
C. 2.45
D. 3.16
3. What is the average deviation of the first 10 numbers of the Fibonacci sequence (0, 1, 1, 2,
3, 5, 8, 13, 21, 34)?
A. 285.01 B. 10.47
C. 16.88
D. 8.32
4. The Range of the scores 3, 5, 6, 4 and 2 is
A. 1
B.2
C.3
D. 4
5. Pedro did a survey of the number of pens owned by his 25 classmates, with the following
results:
Number of Pens
0
1
2
3
4
What was the standard deviation?
Frequency
3
10
9
1
2
A. 1.02
B. 1.60
C. 1.49
D. 1.38​