Let and Compute the Riemann Sum of F Over

question 257

Multiple Choice

Let and compute the Riemann sum of f over the interval , using ​
Two subintervals of equal length ( ) .
​
Five subintervals of equal length ( ) .
​
Ten subintervals of equal length ( ) .
​
In each case, choose the representative points to be the midpoints of the subintervals.
​

• A) 87.0625 sq units; 87.43 sq units; 87.4825 sq units;
• B) 87.0625 sq units; 87.4825 sq units; 87.43 sq units;
• C) 87.4825 sq units; 87.43 sq units; 87.0625 sq units;
• D) 87.43 sq units; 87.4825 sq units; 87.0625 sq units;

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Definitions:

Standard Deviation

A measure that quantifies the amount of variation or dispersion of a set of values from the mean.

Finite Population Correction Factor

A factor applied in sample size formulae to adjust for the effect of sampling without replacement from a finite population.

Mean Salary

The average amount of money earned by employees in a specific job, industry, or region, calculated by summing all salaries and dividing by the number of employees.

Standard Error

An estimate of the statistical accuracy of an estimate, showing how much the sample mean is expected to vary from the true population mean.