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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
24
B
18
C
46
D
32
2) Find the next term in the sequence: 0, 3, 6, 9, ___
A
12
B
15
C
17
D
10
3) Evaluate the series 2^n from n=1 to 3
A
14
B
12
C
8
D
20
4) Does choosing a 4-digit PIN involve a combination or permutation?
A
don't choose this one
B
combination
C
permutation
D
neither
5) How many different ways can you choose a 4-digit PIN?
A
10
B
40
C
5040
D
210
6) Find the mean: 1, 3, 4, 4, 8
A
3
B
7
C
0
D
4
7) What is the shape of a normal distribution?
A
circle
B
bell curve
C
parabola
D
right triangle
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
31
B
40
C
34
D
46
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
34
B
40
C
46
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
31
B
46
C
40
D
34
*select an answer for all questions
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