Find the Sum of the Finite Arithmetic Sequence

question 36

Multiple Choice

Find the sum of the finite arithmetic sequence. ​
​2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 + 18 + 20
​

• A)90
• B)80
• C)70
• D)100
• E)110

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Definitions:

Goodness-Of-Fit Test

A statistical method employed to assess the alignment between observed data and its predicted distribution.

Degrees Of Freedom

The number of independent values or quantities which can vary in an analysis without breaking any constraints.

Proportion Of Successes

A statistical measure that calculates the ratio of successes in a set of observations to the total number of observations.

Z Test

Utilized to check for differences in the means of two populations, this statistical test requires that variances are known and that there is a considerable sample size.