109
Statistical Graphs and Calculations
Chapter 7
The following describes the meaning of each of the parameters.
_
x
...................... Mean of data
Σ
x
.................... Sum of data
Σ
x
2
.................. Sum of squares
x
σ
n
.................. Population standard deviation
x
σ
n
-1
................ Sample standard deviation
n
...................... Number of data items
minX ................ Minimum
Q1 ................... First quartile
Med ................. Median
Q3 ................... Third quartile
maxX............... Maximum
Mod ................. Mode
• Press
4
(DRAW) to return to the original single-variable statistical graph.
k
k
k
k
k
Pie Chart
From the statistical data list, press
1
(GRPH) to display the graph menu, press
[
4
(SET), and then change the graph type of the graph you want to use (GPH1,
GPH2, GPH3) to pie chart. Next, move the highlighting to “Display” and then press
1
or
2
to select the pie chart data format.
1
(%) ............ Displayed values show what percentage of the total data each
pie segment represents.
2
(Data) ....... Displayed values show actual data.
Press
Q
to draw the chart.
Example
To input the following data into List 1 and use it to draw a pie
chart: 18.0, 13.5, 4.5, 31.5, 22.5
1
(GRPH)
[
4
(SET)
1
(GPH1)
c
3
(Pie)
c
1
(List1)
c
1
(%)
Q
1
(GRPH)
1
(GPH1)
• A pie chart can have up to eight data items. Attempting to draw a pie chart for a
list that has more than eight data items causes an error (Dim ERROR).
• Only positive data can be included in a pie chart. Attempting to draw a pie chart
for a list that includes negative data causes an error (Ma ERROR).
• View Window settings are not applied to pie charts.
• A pie chart cannot be superimposed with another graph.
• Values appearing on a pie chart are automatically assigned to the corresponding
variables (A, B, C, etc.)
P.100
(G-Type)
(Pie)
Summary of Contents for fx-7400G PLUS
Page 7: ... fx 7400G PLUS ...
Page 14: ...xii Contents ...
Page 57: ...Differential Calculations Chapter 3 ...
Page 176: ...162 Chapter 8 Programming ...
Page 188: ...Chapter 9 Data Communications 174 ...
Page 199: ...185 1 2 3 4 5 Program for Circle and Tangents No 4 Step Key Operation Display ...
Page 200: ...186 Program for Circle and Tangents No 4 Step Key Operation Display 6 7 8 9 10 ...
Page 201: ...187 11 12 13 14 15 Program for Circle and Tangents No 4 Step Key Operation Display ...
Page 202: ...188 16 17 18 Program for Circle and Tangents No 4 Step Key Operation Display ...
Page 205: ...191 1 2 3 4 5 Program for Rotating a Figure No 5 Step Key Operation Display ...