Statistics and Data Plots
564
•
In the Data/Matrix Editor, you can enter the test scores and frequency values in two
columns.
Ê
Frequency of 2
Ë
Frequency of 3
Note:
A frequency value of 0 effectively removes the data point from analysis.
To use frequency values, specify the frequency column when you perform a statistical
calculation or define a stat plot. For example:
Test
scores
Frequency
values
c1
c2
These weighted scores are
equivalent to the single column of
scores listed to the right.
c1
85
1
85
97
1
97
92
2
92
Ê
89
1
92
Ê
91
1
89
95
3
91
95
Ë
95
Ë
95
Ë
Summary of Contents for Voyage 200
Page 36: ...Getting Started 36 D B D B Press Result ...
Page 45: ...Getting Started 45 3 0 D B D D B D Press Result ...
Page 46: ...Getting Started 46 D 2 0 0 2 D B Scroll down to October and press Press Result ...
Page 60: ...Getting Started 60 B D Press Result ...
Page 139: ...Previews 139 8 Complete the operation Press 2 d Steps and keystrokes Display 5 f 2 ...
Page 453: ...Differential Equation Graphing 453 ...
Page 468: ...Tables 468 ...
Page 777: ...Activities 777 ...