Asked by ARIELA FERMIN GARCIA on Jul 20, 2024
Verified
The numbers of hours worked (per week) by 400 statistics students are shown below. The cumulative percent frequency for < 29 hours is
A) 50.
B) 75.
C) 200.
D) 300.
Cumulative Percent
A statistical calculation that shows the percentage total of observations that fall below or at a specific value when data is arranged in ascending order.
Statistics Students
Individuals engaged in the study of collecting, analyzing, interpreting, and presenting empirical data.
Hours Worked
The total number of hours spent working by an individual or group within a specific period, such as a day or week.
- Understand the concept and calculation of cumulative percent frequency.
Verified Answer
3.25 + 8.5 + 13.5 = 25.25%
Therefore, the cumulative percent frequency for < 29 hours is 25.25%.
The closest answer choice is B) 75 which is the complement of the cumulative percent frequency for ≥ 29 hours:
100% - 25.25% = 74.75%, which is approximately 75%.
Learning Objectives
- Understand the concept and calculation of cumulative percent frequency.
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