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Partial Sum
A partial sum is the total resulting from adding a finite number of terms of a sequence.
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OpenStax
Intermediate Algebra @ OpenStax
Algebra
Related
Infinite Sequence
Finite Sequence
General Term of a Sequence
Arithmetic Sequence
Geometric Sequence
Annuity
Partial Sum
Summation Notation
Factorial Notation
As an inventory analyst, you record the total number of items restocked at the end of each week. You list the totals so that the first week corresponds to position 1, the second week to position 2, and so on. In algebraic terms, this ordered list of values—which can be thought of as a mathematical relationship whose domain is restricted to the counting numbers ()—is formally defined as a:
In a workplace productivity report, a supervisor lists the number of units produced in each consecutive hour of a shift. Algebraically, this ordered list represents a sequence. True or False: An algebraic sequence is formally defined as a function whose domain is restricted to the set of counting numbers ().
A customer service lead tracks the number of calls answered during each hour of an 8-hour shift. Match each algebraic component of this data record with its practical description.
Identifying Components of Sequential Data
A supervisor at a manufacturing plant maintains a production log that lists the number of units completed during each consecutive hour of a shift. This ordered list of data (e.g., ) represents an algebraic sequence. In this context, each individual numerical value in the list is formally referred to as a(n) ____.
Learn After
As a business analyst, you often track monthly performance metrics by listing them as a sequence. If your manager asks for the total output over the first quarter, you calculate a partial sum (for example, evaluating for the first three months' data). Based on mathematical principles, which of the following is the correct definition of a 'partial sum'?
An investment analyst tracks the annual dividends of a stock as a data sequence, such as . When the analyst calculates the total dividend income for only the first five years of the investment, this resulting sum is mathematically referred to as a(n) ________.
A production manager at a manufacturing plant tracks the number of units completed each hour as a sequence of data. If the manager calculates the total production for only the first 8 hours of a shift, this resulting total is mathematically defined as a partial sum.
A business analyst is reviewing monthly performance metrics to prepare a quarterly report. Match the following mathematical terms to their descriptions as they apply to the process of calculating these metrics.
Defining Totals in Project Management