2015
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 |
6 |
986233 |
2441 |
- |
2552 |
= |
-111 |
* |
(244 |
/ |
782)
|
= |
-34.63427106 |
7 |
986236 |
2449 |
- |
2567 |
= |
-118 |
* |
(266 |
/ |
782)
|
= |
-40.13810734 |
8 |
986237 |
2494 |
- |
2586 |
= |
-92 |
* |
(272 |
/ |
782)
|
= |
-31.99999991 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Charles Maclay Middle
|
-107 |
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 |
6 |
31184 |
2436 |
- |
2552 |
= |
-116 |
* |
(235 |
/ |
761)
|
= |
-35.82128766 |
7 |
31187 |
2450 |
- |
2567 |
= |
-117 |
* |
(242 |
/ |
761)
|
= |
-37.20630748 |
8 |
31188 |
2456 |
- |
2586 |
= |
-130 |
* |
(284 |
/ |
761)
|
= |
-48.51511158 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Charles Maclay Middle
|
-122 |
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 |
6 |
31746 |
2458 |
- |
2552 |
= |
-94 |
* |
(204 |
/ |
671)
|
= |
-28.57824143 |
7 |
31747 |
2465 |
- |
2567 |
= |
-102 |
* |
(227 |
/ |
671)
|
= |
-34.50670639 |
8 |
31749 |
2507 |
- |
2586 |
= |
-79 |
* |
(240 |
/ |
671)
|
= |
-28.25633377 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Charles Maclay Middle
|
-91 |
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 |
6 |
31791 |
2432 |
- |
2552 |
= |
-120 |
* |
(198 |
/ |
628)
|
= |
-37.83439488 |
7 |
31793 |
2460 |
- |
2567 |
= |
-107 |
* |
(212 |
/ |
628)
|
= |
-36.12101902 |
8 |
31795 |
2503 |
- |
2586 |
= |
-83 |
* |
(218 |
/ |
628)
|
= |
-28.81210183 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Charles Maclay Middle
|
-103 |
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 |
6 |
31968 |
2432 |
- |
2552 |
= |
-120 |
* |
(168 |
/ |
588)
|
= |
-34.2857142 |
7 |
31969 |
2451 |
- |
2567 |
= |
-116 |
* |
(196 |
/ |
588)
|
= |
-38.66666663 |
8 |
31970 |
2478 |
- |
2586 |
= |
-108 |
* |
(224 |
/ |
588)
|
= |
-41.14285704 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Charles Maclay Middle
|
-114 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-107
|
-122
|
-91
|
-103
|
-114
|
-537.0 |
-107.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -74.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -140.4
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: