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Q: This graph shows how one quantity changes as conditions change It makes it easier to see general patterns in the data it represents?
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What is the main purpose of line graph?

The main purpose of a line graph is to show changes and patterns in the changes


What will an index tell you?

Indexes provide useful information including: Even with their limitations, indexes show trends and changes in investing patterns. They can give snapshots of market activity, even if they don't tell the whole story. Indexes provide a yardstick for comparison over time.


Random and systematic errors?

Random vs Systematic ErrorRandom ErrorsRandom errors in experimental measurements are caused by unknown and unpredictable changes in the experiment. These changes may occur in the measuring instruments or in the environmental conditions. Examples of causes of random errors are:electronic noise in the circuit of an electrical instrument,irregular changes in the heat loss rate from a solar collector due to changes in the wind.Random errors often have a Gaussian normal distribution (see Fig. 2). In such cases statistical methods may be used to analyze the data. The mean m of a number of measurements of the same quantity is the best estimate of that quantity, and the standard deviation s of the measurements shows the accuracy of the estimate. The standard error of the estimate m is s/sqrt(n), where n is the number of measurements.Fig. 2. The Gaussian normal distribution. m = mean of measurements. s = standard deviation of measurements. 68% of the measurements lie in the interval m - s < x < m + s; 95% lie within m - 2s < x < m + 2s; and 99.7% lie within m - 3s < x < m + 3s.The precision of a measurement is how close a number of measurements of the same quantity agree with each other. The precision is limited by the random errors. It may usually be determined by repeating the measurements.Systematic ErrorsSystematic errors in experimental observations usually come from the measuring instruments. They may occur because: there is something wrong with the instrument or its data handling system, orbecause the instrument is wrongly used by the experimenter.Two types of systematic error can occur with instruments having a linear response:Offset or zero setting error in which the instrument does not read zero when the quantity to be measured is zero.Multiplier or scale factor error in which the instrument consistently reads changes in the quantity to be measured greater or less than the actual changes.These errors are shown in Fig. 1. Systematic errors also occur with non-linear instruments when the calibration of the instrument is not known correctly.Fig. 1. Systematic errors in a linear instrument (full line).Broken line shows response of an ideal instrument without error.Examples of systematic errors caused by the wrong use of instruments are:errors in measurements of temperature due to poor thermal contact between the thermometer and the substance whose temperature is to be found,errors in measurements of solar radiation because trees or buildings shade the radiometer.The accuracy of a measurement is how close the measurement is to the true value of the quantity being measured. The accuracy of measurements is often reduced by systematic errors, which are difficult to detect even for experienced research workers.


Does a line graph show changes in the responding variable only?

No. It shows changes in the response variable against changes in the explanatory (or independent) variable(s).


If the mean changes does the standard deviation change?

Yes

Related questions

This graph sHow is how one quantity changes as conditions change It makes it easier to see general patterns in the data it represents?

Line Graph


How can monitoring changes in air pressure predict weather conditions?

There has to be certain conditions for certain weather patterns to happen so the barometric pressure tells alot about how and what may happen


What are forex indicators used for?

Forex indicators are used to detect patterns in the foreign exchange market. In order to correctly identify patterns, Forex indicators look for changes in economic and industry conditions. http://www.forexmarketexplained.com/Top_Five_Economic_Indicators_that_Drive_Forex_Trading.html


A quantity that varies or changes?

variable


What changes the equilibrium quantity to change?

It changes when the market demand and or market supply changes.


What did progressives fight for?

Changes in social conditions


How does a change in one quantity affect the change in other quantities?

Feedback in general is the process in which changing one quantity changes a second quantity, and the change in the second quantity in turn changes the first.Positive feedback amplifies the change in the first quantity while negative feedback reduces it.....


A quantity whose value changes?

A variable


Which quantity is the rate at which velocity changes?

Acceleration


To describe explain and predict changes in the price and quantity of goods sold?

Laws of Supply and Demand explain and predict changes in the price and quantity of goods sold.


Have there been any changes of migration?

There have been many changes of migration but the patterns have not changed.


What type of changes can impact the quantity of water?

Heat