Casio FX-9750GII User Manual Page 151
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- Table of contents
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6-11
I Graphing Statistical Calculation Results
While the parameter calculation result is on the display, you can graph the displayed
regression formula by pressing (DRAW).
I Linear Regression Graph
Linear regression uses the method of least squares to plot a straight line that passes close to
as many data points as possible, and returns values for the slope and
y-intercept (y-coordinate
when
x = 0) of the line.
The graphic representation of this relationship is a linear regression graph.
(CALC)(X)
(
ax+b) or (a+bx)
(DRAW)
The following is the linear regression model formula.
y = ax + b
a
.............regression coefficient (slope)
b.............regression constant term (y-intercept)
y = a + bx
a
.............regression constant term (y-intercept)
b.............regression coefficient (slope)
I Med-Med Graph
When it is suspected that there are a number of extreme values, a Med-Med graph can be
used in place of the least squares method. This is similar to linear regression, but it minimizes
the effects of extreme values.
(CALC)(Med)
(DRAW)
The following is the Med-Med graph model formula.
y = ax + b
a
..............Med-Med graph slope
b..............Med-Med graph y-intercept
I Quadratic/Cubic/Quartic Regression Graph
A quadratic/cubic/quartic regression graph represents connection of the data points of a
scatter diagram. It uses the method of least squares to draw a curve that passes close to
as many data points as possible. The formula that represents this is quadratic/cubic/quartic
regression.
Ex. Quadratic regression
(CALC)(X^2)
(DRAW)
- http://edu.casio.com 1
- http://edu.casio.com/forum/ 1
- Contents 3
- Ⅱ SD only) 5
- — Read This First! 6
- I Contrast Adjustment 7
- Basic Operation 8
- 2. Display 9
- I Normal Display 11
- I About the Function Menu 11
- I About Display Screens 11
- I Special Display Formats 12
- I Inputting Calculations 12
- I Editing Calculations 13
- I Using Replay Memory 14
- S To specify the copy range 15
- S To cut the text 15
- S Using the MATH Menu 19
- 1+ x +1dx 20
- I History Function 24
- ( ) 26
- 5. Option (OPTN) Menu 29
- 6. Variable Data (VARS) Menu 30
- 7. Program (PRGM) Menu 32
- 8. Using the Setup Screen 33
- 9. Using Screen Capture 36
- Manual Calculations 39
- 2. Special Functions 44
- S String Memory 45
- II : 2(FMEM) 47
- = 0 to 9) 48
- 4. Function Calculations 49
- I Angle Units 51
- I Other Functions 52
- E10 B–A<1E10 1 n 999 54
- I Coordinate Conversion 55
- 10P4 = 5040 56
- 10C4 = 210 56
- I Fractions 57
- S About Logical Operations 58
- 5. Numerical Calculations 59
- II: (CALC) 60
- E–10 and cannot be changed 63
- Positive 65
- Negative part ( 65
- rƧ]/[a+bi] 70
- Calculations with Integers 71
- I Selecting a Number System 72
- S Negative Values 73
- S Bitwise Operations 73
- 8. Matrix Calculations 74
- 1 2 3 75
- 4 5 6 75
- I Matrix Cell Operations 76
- S Row Calculations 77
- S Row Operations 78
- S Column Operations 79
- Matrix name 80
- Number of rows/columns 80
- S Matrix Inversion [x 84
- S Squaring a Matrix [x 85
- Integer of a Matrix 85
- a+bi, r 86
- a+bi” and “r 86
- II: (CONV) 87
- List Function 90
- I Editing List Values 91
- I Naming a List 92
- I Sorting List Values 93
- 2. Manipulating List Data 94
- I Error Messages 99
- I Recalling List Contents 100
- Equation Calculations 103
- 3. Solve Calculations 106
- Graphing 107
- Y=) to (Yb) 108
- I V-Window Memory 110
- I Specifying the Graph Range 110
- 3. Drawing a Graph 112
- I Graph Memory 116
- S To recall a stored graph 117
- 6. Manual Graphing 118
- 7. Using Tables 121
- S Generating a Table 122
- I Editing Tables 123
- • CON) ... line graph 124
- • PLT) ... plot type graph 124
- 8. Dynamic Graphing 126
- I Using Dynamic Graph Memory 128
- 10. Graphing a Conic Section 133
- 12. Function Analysis 135
- I Graph to Table 136
- I Coordinate Rounding 136
- I Calculating the Root 136
- Statistical Graphs and 141
- Calculations 141
- Statistical Data 144
- I Med-box Graph 145
- I Bar Graph 145
- I Normal Distribution Curve 146
- I Broken Line Graph 146
- 0.1 0.2 0.4 0.7 0.8 0.9 1.0 148
- I Linear Regression Graph 151
- I Med-Med Graph 151
- I Power Regression Graph 153
- I Sinusoidal Regression Graph 153
- I Logistic Regression Graph 153
- I Residual Calculation 153
- I Regression Calculation 156
- 5. Tests 162
- I Z Tests 164
- Z Test Common Functions 164
- S 2-Sample Z Test 165
- S 1-Prop Z Test 165
- I t Tests 166
- S 1-Sample t Test 167
- S 2-Sample t Test 167
- S LinearReg t Test 168
- Test Common Functions 169
- GOF Test (Ƶ 169
- one-way Test) 169
- I 2-Sample F Test 170
- I ANOVA (Two-Way) 173
- S Input Example 174
- S Results 174
- 6. Confidence Interval 175
- I Z Interval 176
- Z Interval 176
- I t Interval 177
- 7. Distribution 178
- I Normal Distribution 179
- I Student-t Distribution 181
- Distribution 182
- F Distribution 183
- I Binomial Distribution 184
- I Poisson Distribution 186
- I Geometric Distribution 187
- I Hypergeometric Distribution 189
- I Input Terms 190
- I Output Terms 192
- 9. Statistic Formula 193
- I Confidence Interval 194
- I Distribution (Continuous) 194
- I Distribution (Discrete) 195
- Financial Calculation (TVM) 196
- 2. Simple Interest 197
- , = (1 + i) 198
- 0. The cash flow one year 200
- +1 0, or 0 201
- 5. Amortization 202
- 6. Interest Rate Conversion 204
- S Formula 205
- &67 : cost 205
- SEL : selling price 205
- 05* : margin 205
- 8. Day/Date Calculations 206
- 9. Depreciation 207
- 10. Bond Calculations 209
- S Annual Yield (YLD) 210
- CPN ...... coupon rate 210
- YLD ...... annual yield 210
- Programming 212
- 2. PRGM Mode Function Keys 213
- • SPD}*/ 214
- 4. File Management 216
- I Deleting a Program 217
- I Registering a password 217
- 5. Command Reference 218
- I Basic Operation Commands 219
- I ProgramCommands(COM) 220
- I Jump Commands (JUMP) 223
- I ClearCommands(CLR) 225
- I Display Commands (DISP) 225
- No parameters 226
- I Input/Output Commands (I/O) 227
- I Strings 229
- I Text Display 232
- (>Row+) 233
- S To add two rows (Row+) 233
- Population mean* 237
- Data upper limit 237
- Data lower limit 237
- • Normal Distribution 240
- • Binomial Distribution 242
- • Poisson Distribution 242
- • Geometric Distribution 242
- • Hypergeometric Distribution 243
- • Z Test 243
- • t Test 244
- • F Test 245
- • Setup Commands 246
- 7. PRGM Mode Command List 248
- Level 1Level 2Level 3 Command 251
- Level 3 Level 4 Command 252
- 8. Program Library 253
- Program Name Ellipse 254
- Spreadsheet 255
- I Spreadsheet File Operations 256
- S Auto Save 257
- S Auto Calc 257
- I Using the Cell Cursor 258
- S To select a range of cells 259
- S To edit cell data 260
- I Inputting Text into a Cell 261
- S Formula Input Example 262
- I Sorting Constant Data 266
- 3. Using Special S 268
- SHT Mode Commands 268
- SHT Mode Command Example 269
- I STAT Mode and S 273
- SHT Mode Memory 274
- Important! 275
- Chapter 10 eActivity 276
- 1. eActivity Overview 276
- 2. eActivity Function Menus 277
- 3. eActivity File Operations 278
- 4. Inputting and Editing Data 279
- I Inputting into a Text Line 280
- I Using Strips 282
- S To insert a strip 283
- S Notes Strips 285
- Important! 287
- Memory Manager 289
- I Memory Information Screen 290
- • F) to 292
- I Copying Data 294
- I Deleting Files 296
- II SD only) 296
- I Searching for a File 296
- I Backing Up Main Memory Data 297
- System Manager 300
- I System Language Setting 301
- I Version List 302
- Data Communications 304
- S To execute a send operation 307
- Data item name 309
- , fx-9860G AU 310
- II will cause an 311
- Series Calculator 313
- 5. Screen Image Send 314
- S Precautions when Connecting 317
- Using SD Cards 318
- Front BackFront Back 319
- 2. Formatting an SD Card 320
- Appendix 321
- II to an older model 323
- II to an 323
- II SD only 324
- 2. Input Ranges 325
- • Complex numbers can be 326
- Application 327
- 20051101 328
- 20070101 329
- ')J 397
- ') 397
- ') 399
- CASIO COMPUTER CO., LTD 402
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