Solve the Problem. -A Collection of Dimes Is Arranged in a Triangular Array

question 159

Multiple Choice

Solve the problem.
-A collection of dimes is arranged in a triangular array with 15 coins in the base row, 14 in the next, 13 in the next, and so on with 1 dime in the last row. Find the value of the collection.

• A)$1.20
• B)$24.00
• C)$12.00
• D)$6.00

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Definitions:

Population Size

The total number of individuals or units in the group that is the subject of statistical analysis.

Average Age

The mean value of the ages of individuals in a specific group or population, calculated by dividing the sum of all ages by the number of individuals.

Random

In statistical terms, a process or selection that ensures each item or person has an equal chance of being chosen, free from bias.

Population Parameter

Numeric values that summarize the characteristics of an entire population, such as mean or variance.