Casio fx-9750G PLUS User Manual Page 327
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uu
uu
u2-Prop Z Interval
2-Prop Z Interval uses the number of data items to calculate the confidence
interval for the defference between the proportion of successes in two populations.
The following is the confidence interval. The value 100 (1 –
α) % is the confidence
level.
Left = – – Z
α
2
x
1
n
1
x
2
n
2
n
1
n
1
x
1
1–
n
1
x
1
+
n
2
n
2
x
2
1–
n
2
x
2
Right = – + Z
α
2
x
1
n
1
x
2
n
2
n
1
n
1
x
1
1–
n
1
x
1
+
n
2
n
2
x
2
1–
n
2
x
2
n1, n2 : sample size
x1, x2 : data
Perform the following key operations from the statistical data list.
4(INTR)
1(Z)
4(2-P)
Data is specified using parameter specification. The following shows the meaning
of each item.
C-Level ........... confidence level (0 < C-Level < 1)
x1 .................... sample 1 data value (x1 > 0)
n1 .................... sample 1 size (positive integer)
x2 .................... sample 2 data value (x2 > 0)
n2 .................... sample 2 size (positive integer)
Execute .......... Executes a calculation
Example To calculate the 2-Prop Z Interval using parameter value
specification
For this example, we will obtain the 2-Prop Z Interval when
C-Level = 0.95, x1 = 49, n1 = 61, x2 = 38 and n2 = 62.
a.jfw
ejwgbw
diwgcw
1(CALC)
Left ................. interval lower limit (left edge)
Right ............... interval upper limit (right edge)
Confidence Interval 18 - 7
- fx-9750G PLUS 1
- CFX-9850G PLUS 1
- CFX-9850GB PLUS 1
- CFX-9850GC PLUS 1
- CFX-9950GB PLUS 1
- BEFORE USING THE CALCULATOR 3
- FOR THE FIRST TIME 3
- P button 4
- ABOUT THE COLOR DISPLAY 5
- Example: 6
- Alpha Lock 7
- KEY TABLE 8
- Quick-Start 10
- 2 (RANG) bwdwbw 19
- Handling Precautions 21
- CFX-9850G PLUS 23
- Contents 24
- — Read This First! 29
- 1. Key Markings 30
- Currently selected icon 31
- 3. Display 36
- (16), which 38
- 4. Contrast Adjustment 39
- About 3 seconds later 40
- Basic Operation 41
- = 0 to 9) 42
- ÷ 7 – 42857 = 46
- 1-2 Memory 50
- 1 - 2 Memory 52
- Number of bytes still free 53
- 1-3 Option (OPTN) Menu 55
- 1-4 Variable Data (VARS) Menu 56
- Table Content Data 59
- 1-5 Program (PRGM) Menu 62
- Manual Calculations 63
- 2-1 Basic Calculations 64
- 2 - 1 Basic Calculations 66
- 2-2 Special Functions 67
- 2 - 2 Special Functions 68
- Intermediate result at point 70
- ” is used 70
- 2-3 Function Calculations 71
- 2 - 3 Function Calculations 72
- * can be omitted 73
- (Conversion to decimal* 77
- (Norm 1 display format) 77
- Numerical Calculations 81
- Upper limit 82
- Lower limit 82
- Initial estimated value 82
- Increase/decrease of 83
- Final boundary ( 86
- = 1 to 15) 86
- Positive part ( 90
- )Negative part ( 90
- Distance between partitions 93
- Last term of sequence 93
- Initial term of sequence 93
- Variable used by sequence 93
- Complex Numbers 95
- Calculation 96
- Imaginary axis 97
- Real axis 97
- Binary, Octal, Decimal 101
- Calculations 101
- Hexadecimal Values 102
- A B C D E F 102
- Normal Text 102
- 5-2 Selecting a Number System 104
- 2 + 110102 105
- Matrix Calculations 107
- 2 (row) 108
- 2 (column) matrix 108
- Not dimension preset 108
- 6-2 Matrix Cell Operations 111
- 6 - 2 Matrix Cell Operations 112
- 11 a12 a1n 116
- 21 a22 a2n 116
- Number of rows/columns 117
- Matrix name 117
- Number of rows 117
- Number of columns 117
- Filler value 118
- Column number 119
- Number of rows and columns 121
- 6 - 4 Matrix Calculations 122
- Equation Calculations 127
- Coefficient input cells 130
- 2 b2 c2 d2 131
- 3 b3 c3 d3 131
- 7-4 Solve Calculations 135
- 7 - 4 Solve Calculations 136
- Graphing 139
- Memory area 140
- to change selection 140
- 8-3 Graph Function Operations 145
- Unhighlights 148
- 8-4 Graph Memory 150
- 8-5 Drawing Graphs Manually 151
- =” for Func Type 152
- 8 - 5 Drawing Graphs Manually 154
- 8-6 Other Graphing Functions 156
- coordinate values 157
- 8-7 Picture Memory 167
- 8-8 Graph Background 168
- Graph Solve 171
- 9-1 Before Using Graph Solve 172
- Sketch Function 181
- ^, log, In, 193
- Dual Graph 195
- 11-1 Before Using Dual Graph 196
- Parameters 197
- Graph-to-Table 203
- -coordinate value 205
- 12 - 2 Using Graph-to-Table 206
- Dynamic Graph 209
- Selected memory area 210
- to move 210
- Graph Functions 211
- 13-3 Drawing a Dynamic Graph 212
- Function being graphed 213
- Coefficients in function 213
- Conic Section Graphs 221
- Graph function 223
- Function variables 223
- Focus F' 226
- Asymptote 226
- Table & Graph 233
- ” in the top line 237
- No highlighting 242
- Recursion Table and 245
- Graph Function 246
- Generating a Table 247
- Unhighlights this formula 250
- Σ Display 251
- +1 = –3an 254
- 0 = 0.02 bn Str = 0.02 254
- List Function 257
- List Data Linking 258
- 17-1 List Operations 259
- 17 - 1 List Operations 260
- 17-3 Manipulating List Data 265
- 17 - 3 Manipulating List Data 266
- Statistical Graphs and 277
- Examples 279
- Statistical Data 285
- (2 π) xσ 286
- Height (cm) Frequency 301
- Ymin ~ Ymax 303
- –0.1 0.45 303
- Xmin ~ Xmax 303
- –3.2 3.2 303
- 18-6 Tests 304
- 306
- 18 - 6 Tests 308
- 0” specifies two-tail 309
- 0 = 0.5, x = 2048, n = 4040 309
- 18-7 Confidence Interval 322
- 18 - 7 Confidence Interval 324
- 18-8 Distribution 332
- ∞ (–1E99), upper 334
- > 0) 335
- 18 - 8 Distribution 336
- = p(1– p) 346
- Financial Calculations 349
- PV= –(PMT × + FV × ) 354
- PV + PMT × n + FV = 0 354
- PV = – (PMT × n + FV ) 354
- PV + FV 355
- 0. The cash 365
- 19 - 4 Investment Appraisal 366
- I% = 11) 367
- 19-5 Amortization of a Loan 369
- 19 - 5 Amortization of a Loan 370
- –1 × n ×100 373
- I% = 12.55%) 374
- 19-8 Day/Date Calculations 377
- <year> 377
- 19 - 8 Day/Date Calculations 378
- Programming 379
- 20-1 Before Programming 380
- 20-2 Programming Examples 381
- File name 382
- 20- 2 Programming Examples 384
- 20-3 Debugging a Program 386
- 20-5 Secret Function 388
- 2. Press 2 (EDIT) 389
- Secret Function 20- 5 389
- 20-6 Searching for a File 390
- 20-9 Deleting a Program 396
- 20-10 Useful Program Commands 397
- 20-11 Command Reference 399
- 11 Command Reference 400
- : (Multi-statement Command) 401
- _ (Carriage Return) 401
- If~Then~Else~IfEnd 403
- For~To~Next 403
- Do~LpWhile 405
- While~WhileEnd 405
- Main Routine Subroutines 407
- ⇒ (Jump Code) 409
- DispF-Tbl, DispR-Tbl 411
- DrawDyna 411
- DrawFTG-Con, DrawFTG-Plt 411
- DrawGraph 411
- , >, <, ≥, ≤ 415
- 20-12 Text Display 416
- Multiplier 417
- -axis data (YList) 426
- -axis data (XList) 426
- Data Communications 427
- 21-1 Connecting Two Units 428
- Computer 429
- Operation 431
- Data item 432
- Data item name 434
- Password input field 434
- 21-6 Screen Send Function 436
- Program Library 439
- PROGRAM SHEET 440
- P (Probability) 445
- Graph Y= 447
- Circle and Tangents 449
- Rotating a Figure 455
- Appendix 457
- Appendix A 459
- Appendix B Power Supply 460
- Appendix B 461
- ∑ calculation 464
- Appendix C 465
- Appendix D Input Ranges 466
- Appendix D 467
- Appendix E Specifications 469
- Command Index 477
- Key Index 478
- Program Mode Command List 481
- (fx-9750G 482
- FCC WARNING 485
- Declaration of Conformity 485
- CASIO COMPUTER CO., LTD 486
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