Casio FX9750GII Support Question
Casio FX9750GII Support Question
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Question posted by redmocape on September 14th, 2014
How To Calculate Sample Standard Deviation On Fx-9750gii
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Related Casio FX9750GII Manual Pages
User Guide - Page 10
... (Recursion) CONICS*1
Use this mode to perform single-variable (standard deviation) and paired-variable (regression) statistical calculations, to perform tests, to analyze data and to draw graphs...this mode for arithmetic calculations and function calculations, and for calculations involving binary, octal, decimal, and hexadecimal values and matrices. Icon
Mode Name
RUN (fx-7400Gɉ only)...
User Guide - Page 29
...585;)
{menu for paired-variable statistical estimated value, distribution, standard
deviation, variance, and test functions} (all models except fx-7400Gɉ)
• {CONV} ... {metric conversion menu} • {HYP} ... {hyperbolic calculation menu} • {PROB} ... {probability/distribution calculation menu} • {NUM} ... {numeric calculation menu} • {ANGL} ... {menu for the "Input...
User Guide - Page 30
...calculated automatically. Recalling statistical data • {X} ... {single-variable, paired-variable x-data} • {n}/{x¯ }/{3x}/{3x2}/{Ʊx}/{sx}/{minX}/{maxX} ... {number of data}/{mean}/{sum}/{sum
of squares}/{population standard deviation}/{sample standard deviation... marked with an asterisk (*) are not included on the fx-7400Gɉ. Variable Data (VARS) Menu
To recall variable...
User Guide - Page 31
...}/{sx2}/{sp} ... {size of sample}/{mean of sample}/{sample
standard deviation}/{size of sample 1}/{size of sample 2}/{mean of sample 1}/{mean of sample 2}/{standard deviation of sample 1}/{standard deviation of sample 2}/{standard
deviation of sample p} • {RESLT}* ... {statistical calculation output values}
• {TEST} ... {test calculation results}
• {p}/{z}/{t}/{Chi}/{F}/{ pˆ...
User Guide - Page 55
...of infants less than one year old with a mean body length of 68cm and standard deviation of 8.)
*(E)(PROB)*(RAND)(Norm) 8 68U
RanNorm# (8, 68, 5) (Randomly...) 5 0.5U
*(E)(PROB)*(RAND)(Bin) 5 0.5 3U
* fx-7400GII: (PROB)
I Coordinate Conversion
S Rectangular Coordinates
S Polar Coordinates
• With polar coordinates, Ƨ can be calculated and displayed within a range of -180&#...
User Guide - Page 146
...data mode frequency
6-6 x mean 3x sum 3x2 sum of squares
Sx population standard deviation
sx sample standard deviation
n number of data items
minX minimum
Q1 first quartile Med median Q3 third.... 1 is specified for Freq when frequency is not specified.
I Displaying the Calculation Results of the screen.
I Normal Distribution Curve
The normal distribution curve is drawn...
User Guide - Page 154
... as the data used as both graphs and parameter values.
population standard deviation of data stored in yList maxY..... minimum of data
stored in yList
sy .......... Calculated residual data is on page 6-10), press (COPY). • This will be expressed as the model. sample standard deviation of data stored in xList 3x2 ........ Press U to save the...
User Guide - Page 160
...FD DU (Normalized variate t for the data {1, 2, 3}, when the population standard deviation is S = 1.5 and
the population mean is ƫ = 2.
6-20 CHE (P() @ EBCU (Percentage of total)
Result:
0.30995
(31.0 percentile)
I Calculations Using the Distribution Function
Important! • The following operations cannot be performed on the fx-7400GII) to draw a rectangular coordinate graph...
User Guide - Page 161
...keys as follows.
*(STAT)(S • Dev)*) (LIST)(List)@ (List)AU
* fx-7400GII: (STAT)(S • Dev)
)(STAT)(Var)*) (LIST)(List)@ (List)AU
* fx-7400GII: (STAT)(Var)
6-21 This calculation is performed in List 2, and
determine the standard deviation and variance
x
Frequency
60
70
80
90
3
5
4
1
1. I Determining Standard Deviation and Variance from List Data
You can use...
User Guide - Page 162
...PRGM mode to perform calculations
that need to be performed on the fx-7400GII. You can be performed on the fx-7400GII.
Perform the ...sample Z test command "OneSampleZTest".
1.
Tests
Important! • Test calculations cannot be performed repeatedly.
6-22 They make it possible to
test whether or not a sample accurately represents the population when the standard deviation...
User Guide - Page 163
..., press (TEST) to display the test menu, which contains the following pages explain various statistical calculation methods based on independent
samples when both population standard deviations are
unknown. C2 Test (page 6-29)
(F) ... 2-Sample F Test (page 6-30)
(ANOV) ... LinearReg t Test calculates the strength of the linear association of paired data. The C2 two-way test creates a cross...
User Guide - Page 164
... test sx Displayed only for drawing the graph. Two points are automatically optimized for Data: List setting. 6-24 S 1-Sample Z Test
This test is used when the population standard deviation is known to perform the calculation or draw the graph.
• (CALC) ... The
1-Sample Z Test is off the graph screen). Use B and C to the normal distribution...
User Guide - Page 165
...known to the normal distribution.
Calculation Result Output Example
M1xM2 direction of...Sample Z Test is used to the normal distribution. S 1-Prop Z Test
This test is applied
to test for an unknown proportion of test sx1 Displayed only for two populations are different from the statistical data list.
(TEST) (Z) (1-P)
6-25
The 1-Prop Z Test is used when the standard deviations...
User Guide - Page 167
... t Test is applied to t distribution. Calculation Result Output Example
Mx11.3 ..........
direction of the display without displaying the pointer. • Executing an analysis function automatically stores the t and p values in line 2. S 2-Sample t Test
2-Sample t Test compares the population means when the population standard deviations are different from the statistical data list...
User Guide - Page 175
... population mean when
the population standard deviation is known.
2-Sample Z Interval calculates the confidence interval for the difference between two
population means when the population standard deviations of 0 C-Level < 1 for an unknown population mean .
When you plan to your input divided
by 100.
6-35 A narrow confidence interval, on the fx-7400GII. Raising the confidence level...
User Guide - Page 176
... the statistical data list.
(INTR) (Z) (1-S)
The following key operations from list data specification. I Z Interval
S 1-Sample Z Interval 1-Sample Z Interval calculates the confidence interval for the difference between two
population means when the population standard deviations of successes. Perform the following key operations from the statistical data list.
(INTR) (Z) (2-S)
S 1-Prop...
User Guide - Page 177
...statistical data list.
(INTR) (Z) (2-P)
I t Interval S 1-Sample t Interval
1-Sample t Interval calculates the confidence interval for the
defference between the proportion of successes in...Calculation Result Output Example
S 2-Prop Z Interval
2-Prop Z Interval uses the number of data items to calculate the confidence interval for an unknown population mean when
the population standard deviation...
User Guide - Page 178
... used to display the distribution menu, which is used , depending on the fx-7400GII.
Certain trends can calculate the probability of normal distribution from a distribution being less than a specific value... means when both population standard deviations are also used to t distribution. On the initial STAT mode screen, press (DIST) to calculate the yield rate when manufacturing some ...
User Guide - Page 191
...expected sample proportion (0 < p0 < 1) p1 sample proportion test conditions x (1-Prop Z Test sample value (x > 0 integer)
x (1-Prop Z Interval)...........data (0 or positive integer)
x1 data value of sample 1 (x1 > 0 integer)
x2 data value of sample 2 (x2 > 0 integer)
sx sample standard deviation (sx > 0)
sx1 standard deviation of sample 1 (sx1 > 0)
sx2 standard deviation of sample 2 (sx2...
User Guide - Page 192
... proportion pˆ 1 estimated proportion of sample 1 pˆ 2 estimated proportion of sample 2 M mean of sample M1 mean of sample 1 M2 mean of sample 2
sx sample standard deviation sx1 standard deviation of sample 1 sx2 standard deviation of sample 2 sp pooled sample standard deviation
n size of sample n1 size of sample 1 n2 size of sample 2 df degrees of freedom a constant term...
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