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INFO: Full form for CI is Copper Insert in Electronics category
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INFO: Full form for CI is Component Instance in Electronics category
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In statistics, a confidence interval (CI) is a type of estimate computed from the observed data. This gives a range of values for an unknown parameter (for example, a population mean). The interval has an associated confidence level chosen by the investigator. For a given estimation in a given sample, using a higher confidence level generates a wider (i.e., less precise) confidence interval. In general terms, a confidence interval for an unknown parameter is based on sampling the distribution of a corresponding estimator.

This means that the confidence level represents the theoretical long-run frequency (i.e., the proportion) of confidence intervals that contain the true value of the unknown population parameter. In other words, 90% of confidence intervals computed at the 90% confidence level contain the parameter, 95% of confidence intervals computed at the 95% confidence level contain the parameter, 99% of confidence intervals computed at the 99% confidence level contain the parameter, etc.

The confidence level is designated before examining the data. Most commonly, a 95% confidence level is used. However, other confidence levels, such as 90% or 99%, are sometimes used.

Factors affecting the width of the confidence interval include the size of the sample, the confidence level, and the variability in the sample. A larger sample will tend to produce a better estimate of the population parameter, when all other factors are equal. A higher confidence level will tend to produce a broader confidence interval.

Another way to express the form of confidence interval is a set of two parameters: (point estimate – error bound, point estimate + error bound), or symbolically expressed as (–EBM, +EBM), where (point estimate) serves as an estimate for m (the population mean) and EBM is the error bound for a population mean.

The margin of error (EBM) depends on the confidence level.

A rigorous general definition:

Suppose a dataset x 1 , … , x n {\displaystyle x_{1},\ldots ,x_{n}} is given, modeled as realization of random variables X 1 , … , X n {\displaystyle X_{1},\ldots ,X_{n}} . Let θ {\displaystyle \theta } be the parameter of interest, and γ {\displaystyle \gamma } a number between 0 and 1. If there exist sample statistics L n = g ( X 1 , … , X reference

INFO: Full form for CFP is Ceramic Flat Pack in Electronics category
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INFO: Full form for CEC is Cell Evaluation Chip in Electronics category
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Consumer Electronics Control (CEC) is a feature of HDMI designed to control HDMI connected devices by using only one remote controller; so, individual CEC enabled devices can command and control each other without user intervention, for up to 15 devices.: §CEC-3.1 For example, a television set remote controller can also control a set-top box and a DVD player.

It is a one-wire bidirectional serial bus that is based on the CENELEC standard AV.link protocol to perform remote control functions. CEC wiring is mandatory, although implementation of CEC in a product is optional.: §8.1 It was defined in HDMI Specification 1.0 and updated in HDMI 1.2, HDMI 1.2a and HDMI 1.3a (which added timer and audio commands to the bus).: §§CEC-1.2,CEC-1.3,CEC-3.1,CEC-5 USB to CEC adapters exist that allow a computer to control CEC-enabled devices.

INFO: Full form for CCS is Copper Clad Steel in Electronics category
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INFO: Full form for CEF is Crystal Electric Field in Electronics category
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INFO: Full form for WIS is Wide Isolation Strip in Electronics category
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INFO: Full form for WIS is Water Induced Shift in Electronics category
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INFO: Full form for VIS is Voltage Increasing System in Electronics category
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INFO: Full form for VIS is Vertical Interval Signaling in Electronics category
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INFO: Full form for SCE is Short Channel Effect in Electronics category
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