Statistics Final Review

Find the sum for the following series. 

• 44
• -162
• -682
• 324

Find the sum

• 36

• 85

• 35

• 86

Identify the pattern {19,16,13,10,...}

• 3

• -3

• 19

• none of the above

Identify the pattern.

3, 7, 11, 15, ...

• 6

• 5

• 4

• 2

The next term of the sequence 2,4,8,16 are

• 64
• 32
• 108
• 20

Is the sequence arithmetic: 37, 31, 25, 19, ...

• Yes
• No

Is the sequence 2, 4, 12, 48,... geometric?

• yes
• no

Given the recursive formula, find the first four terms:
a_n = a_n-1 + 5
a₁ = -16

• -16, -21, -26, -31
• 5, -11, -27, -43
• -16, -80, -500, -200
• -16, -11, -6, -1

Given the recursive formula, find the first four terms:
a_n = -3⋅a_n-1
a₁ = 45

• 45, -135, 405, -1215
• -45, -135, -405, -1215
• 45, 135, 405, 1215
• 45, 42, 39, 36

Evaluate the Geometric Series

• -1/2

• 394

• 473

• 364