Point Estimation - Deepstash
Point Estimation

Point Estimation

The process of finding an approximate value of some parameter—such as the mean (average)—of a population from random samples of the population.

It is the value of statistic that estimates the value of a parameter.

The sample standard deviation (s) is a point estimate of the population standard deviation (σ).

The sample mean (̄x) is a point estimate of the population mean, μ.

The sample variance (s2) is a point estimate of the population variance (σ2).

15

90 reads

CURATED FROM

IDEAS CURATED BY

Parameter estimation is the process of computing a model’s parameter values from measured data. You can apply parameter estimation to different types of mathematical models, including statistical models, parametric dynamic models, and data-based Simulink® models

Similar ideas to Point Estimation

The kind of average

There are three common kinds of average:

  1. Mean. Add up all the values and divide by the quantity of the values.
  2. Median. The value in the middle of the sample.
  3. Mode. The most common value.

Poll Predictions

One of the biggest implications of social physics turned out to be election results and the surveys that provide accurate poll result predictions.

Random samples worked in some cases, and the ‘central limit theorem’ calculated a mean value to find out the smallest sample ...

The First Step

DNA tests are still considered estimates, due to imperfect data.

When a person wanting to give the test provides the DNA sample through the saliva, the company checks for variance in the saliva, as 99.9 percent of the DNA is the same in humans.

Read & Learn

20x Faster

without
deepstash

with
deepstash

with

deepstash

Personalized microlearning

100+ Learning Journeys

Access to 200,000+ ideas

Access to the mobile app

Unlimited idea saving

Unlimited history

Unlimited listening to ideas

Downloading & offline access

Supercharge your mind with one idea per day

Enter your email and spend 1 minute every day to learn something new.

Email

I agree to receive email updates