Purchase Solution

Percentage Error of an Estimation

Not what you're looking for?

Ask Custom Question

How accurately must the angle be measured for the percentage error in estimating the height of the building to be less than 4%?

Attachments
Purchase this Solution
Solution Summary

Perentage error for an estimation is calculated.

Purchase this Solution
Free BrainMass Quizzes
Probability Quiz

Some questions on probability

Multiplying Complex Numbers

This is a short quiz to check your understanding of multiplication of complex numbers in rectangular form.

Exponential Expressions

In this quiz, you will have a chance to practice basic terminology of exponential expressions and how to evaluate them.

Geometry - Real Life Application Problems

Understanding of how geometry applies to in real-world contexts

Graphs and Functions

This quiz helps you easily identify a function and test your understanding of ranges, domains , function inverses and transformations.

View More Free Quizzes
Related BrainMass Solutions

  • Demand Forecasting: Measuring forecast accuracy and comparing different techniques/algorithms

    Organizations use various kind of estimation techniques. It is very important to measure the performance of the techniques and identify the best fit. In this solution we explore two forecasting techniques and performance measures.

  • Horizontal, Vertical, and Positional accuracies in terms of the U.S. National Map Accuracy Standards

    The helpful "Rule of Thumb" generalizes map error into a single estimation, "0.5 mm on a map at scale 1:24,000, giving a positional accuracy of 12 m." (http://faculty.kfupm.edu.sa/CRP/bramadan/crp515-092/Textbook/Chapter06-Uncertainty.pdf).

  • Hypothesis Testing & Confidence

    Discover what information is missing and state why you need it to make an honest estimation of the results. Then take your best guess as to the race results.

  • Sample estimation and Confidence Interval

    Calculation of Sample estimation, Confidence Interval and Margin of Error.

  • Business Research Methods Problem



    Assuming the AVERAGE amount to be M and the margin of error to be e(in percentage), then the Acceptable Error is M*e

    Now we can calculate the required sample size to be:
    N = Var*(z/(M*e))^2 = 9.73*(1.96/M*e)^2
    where ^2 means

  • sample size

    (3) A critical component of sample size formulas is the estimation of variance in the primary variables of interest in the study.

  • QMTH 205Lab 3:Probability Distribution & Interval Estimation

    We have Upper Limit = the sample mean + the margin error and Lower Limit = the sample mean - the margin error. Enter formulas to compute the upper confidence limit and lower confidence limit of your estimation. Part IV.

  • Finding Minimum Sample Size

    3326 Finding Minimum Sample Size A survey of shoppers is planned to determine what percentage use credit cards. Prior surveys suggest that 59% use credit cards. The required margin of error is 0.02 at 95% confidence.

  • Sample size for mean

    385413 Time measurements for sample size for a maximum error of estimation By measuring the amount of time it takes a component of a product to move from one workstation to the next, an engineer has estimated that the standard deviation is 3.92 seconds

View More Related Solutions