Casio ALGEBRA FX 2.0 Statistical Graphs and Calculations Manual de usuario

19990401ChapterStatistical Graphs andCalculationsThis chapter describes how to input statistical data into lists, andhow to calculate the mean, maximu

199904016-3-1Calculating and Graphing Paired-Variable Statistical Data6-3 Calculating and Graphing Paired-VariableStatistical Datak Drawing a Scatter

19990401Example Input the two sets of data shown below. Next, plot the data on ascatter diagram and connect the dots to produce an xy line graph.0.5,

19990401k Drawing a Regression GraphDescriptionUse the following procedure to input paired-variable statistical data, perform a regressioncalculation

19990401Example Input the two sets of data shown below and plot the data on a scatterdiagram. Next, perform logarithmic regression on the data to disp

19990401kkkkk Selecting the Regression TypeAfter you graph paired-variable statistical data, press 4(CALC). Then you can use thefunction menu at the b

19990401kkkkk Linear Regression GraphLinear regression uses the method of least squares to plot a straight line that passes close toas many data point

19990401kkkkk Quadratic/Cubic/Quartic Regression GraphA quadratic/cubic/quartic regression graph represents connection of the data points of ascatter

19990401k Logarithmic Regression GraphLogarithmic regression expresses y as a logarithmic function of x. The standard logarithmicregression formula is

19990401kkkkk Power Regression GraphPower regression expresses y as a proportion of the power of x. The standard powerregression formula is y = a × xb

19990401kkkkk Logistic Regression GraphLogistic regression is best applied for time-based phenomena in which there is a continualincrease until a satu

199904016-1 Before Performing Statistical CalculationsFrom the Main Menu, enter the STAT Mode and display the statistical data lists.Use the statistic

19990401kkkkk Displaying the Calculation Results of a Drawn Paired-Variable GraphPaired-variable statistics can be expressed as both graphs and parame

19990401kkkkk Multiple GraphsYou can draw more than one graph on the same display by using the procedure under“Changing Graph Parameters” to set the g

19990401k Overlaying a Function Graph on a Statistical GraphDescriptionYou can overlay a paired-variable statistical graph with any type of function g

19990401Example Input the two sets of data shown below. Next, plot the data on ascatter diagram and overlay a function graph y = 2ln x.0.5, 1.2, 2.4,

199904016-4 Performing Statistical CalculationsAll of the statistical calculations up to this point were performed after displaying a graph. Thefollow

19990401kkkkk Single-Variable Statistical CalculationsIn the previous examples from “Drawing a Normal Probability Plot” and “Histogram (BarGraph)” to

19990401k Regression CalculationIn the explanations from “Linear Regression Graph” to “Logistic Regression Graph,”regression calculation results were

19990401k Estimated Value Calculation ( , )After drawing a regression graph with the STAT Mode, you can use the RUN • MAT Mode tocalculate estimated

19990401k Probability Distribution CalculationYou can calculate probability distributions for single-variable statistics with the RUN • MATMode.Press

199904011. Input the height data into List 1 and the frequency data into List 2.2. Perform the single-variable statistical calculations.*12(CALC)e(Set

19990401k Changing Graph ParametersUse the following procedures to specify the graph draw/non-draw status, the graph type, andother general settings f

19990401k Drawing a Probability Distribution GraphDescriptionYou can draw a probability distribution graph using manual graphing with the RUN • MAT Mo

19990401Example To draw a probability P (0.5) graph.Procedure1 m RUN • MAT2 K6(g)6(g)2(SKTCH)b(Cls)w2(SKTCH)e(GRPH)b(Y=)3 K6(g)1(PROB)f(P()a.fwResult

19990401

19990401• Mark TypeThis setting lets you specify the shape of the plot points on the graph.u To display the general graph settings screen [GRPH]-[Set]

199904012. Graph draw/non-draw status [GRPH]-[Select]The following procedure can be used to specify the draw (On)/non-draw (Off) status of each ofthe

199904016-2 Calculating and Graphing Single-VariableStatistical DataSingle-variable data is data with only a single variable. If you are calculating t

19990401k Med-box Graph (Box)This type of graph lets you see how a large number of data items are grouped within specificranges. A box encloses all th

19990401k Normal Distribution Curve (N • Dis)The normal distribution curve is graphed using the following normal distribution function.y =1(2 π) xσne–

19990401k Displaying the Calculation Results of a Drawn Single-Variable GraphSingle-variable statistics can be expressed as both graphs and parameter