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Algebra 2 Unit 6 Review
Test Description: Sequences series, combinations permutations, normal distribution standard deviation
Instructions: Answer all questions to get your test result.
1) Find the next term in the sequence: 2, 4, 8, 16, ___
A
46
B
24
C
32
D
18
2) Find the next term in the sequence: 0, 3, 6, 9, ___
A
15
B
17
C
10
D
12
3) Evaluate the series 2^n from n=1 to 3
A
14
B
8
C
20
D
12
4) Does choosing a 4-digit PIN involve a combination or permutation?
A
combination
B
neither
C
don't choose this one
D
permutation
5) How many different ways can you choose a 4-digit PIN?
A
40
B
210
C
10
D
5040
6) Find the mean: 1, 3, 4, 4, 8
A
4
B
3
C
7
D
0
7) What is the shape of a normal distribution?
A
parabola
B
circle
C
right triangle
D
bell curve
8) A set of data with a mean of 37 and standard deviation of 3 is normally distributed. What value is +1 standard deviations from the mean?
A
40
B
31
C
46
D
34
9) A set of data with a mean of 37 and standard deviation of 3 is normally distributed. What value is -2 standard deviations from the mean?
A
46
B
34
C
40
D
31
10) A set of data with a mean of 37 and standard deviation of 3 is normally distributed. What value is +3 standard deviations from the mean?
A
40
B
34
C
46
D
31
*select an answer for all questions
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