27. Quiz: Summation

Match The Notation

For this quiz, you will be matching the notation attached the letters below to the corresponding numeric value to make sure you understand exactly what is being done with each part of the notation.

Imagine, we have the following table of values:

| \bold{x_1} | \bold{x_2} | \bold{x_3} | \bold{x_4} | \bold{x_5} | \bold{x_6} | \bold{x_7} |
|---|---|---|---|---|---|---|---|---|---|
| 5 | 15 | 3 | 3 | 8 | 10 | 12 |

A. \bold{n} B. \bold{\sum\limits_{i=1}^nx_i}

C. \bold{\sum\limits_{j=2}^7x_j + 6} D. \bold{x_5}

E. \bold{\frac{\sum\limits_{i=3}^6x_i}{n-1}}

QUIZ QUESTION: :

Use the letters, numbers, and notation as defined above to match each letter to the appropriate value.

ANSWER CHOICES:

A.

B.

C.

D.

E.

Letter	Value
57
4
15
8
56
39
7

SOLUTION:

Letter	Value
57	C.
4	E.
8	D.
56	B.
7	A.