2016
Step 1 |
|
Step 2 |
|
Step 3 |
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
Grade |
Line number |
Mean Scale Score |
- |
Scale Score: met min |
= |
Distance from standard |
* |
(Students tested in grade |
/ |
Students) tested in school |
= |
Weighted Distance From Standard |
11 |
23896 |
2586 |
- |
2628 |
= |
-42 |
* |
(174 |
/ |
174)
|
= |
-42.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Ernest S. McBride, Sr. High
|
-42 |
2017
Step 1 |
|
Step 2 |
|
Step 3 |
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
Grade |
Line number |
Mean Scale Score |
- |
Scale Score: met min |
= |
Distance from standard |
* |
(Students tested in grade |
/ |
Students) tested in school |
= |
Weighted Distance From Standard |
11 |
24396 |
2617 |
- |
2628 |
= |
-11 |
* |
(163 |
/ |
163)
|
= |
-11.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Ernest S. McBride, Sr. High
|
-11 |
2018
Step 1 |
|
Step 2 |
|
Step 3 |
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
Grade |
Line number |
Mean Scale Score |
- |
Scale Score: met min |
= |
Distance from standard |
* |
(Students tested in grade |
/ |
Students) tested in school |
= |
Weighted Distance From Standard |
11 |
24414 |
2618 |
- |
2628 |
= |
-10 |
* |
(167 |
/ |
167)
|
= |
-10.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Ernest S. McBride, Sr. High
|
-10 |
2019
Step 1 |
|
Step 2 |
|
Step 3 |
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
Grade |
Line number |
Mean Scale Score |
- |
Scale Score: met min |
= |
Distance from standard |
* |
(Students tested in grade |
/ |
Students) tested in school |
= |
Weighted Distance From Standard |
11 |
24582 |
2627 |
- |
2628 |
= |
-1 |
* |
(159 |
/ |
159)
|
= |
-1.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Ernest S. McBride, Sr. High
|
-1 |
Last steps
Compute the average
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-42
|
-11
|
-10
|
-1
|
-64.0 |
-16.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 35.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -67.0
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources: