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 |
997936 |
2495 |
- |
2552 |
= |
-57 |
* |
(310 |
/ |
945)
|
= |
-18.6984127 |
7 |
997939 |
2516 |
- |
2567 |
= |
-51 |
* |
(298 |
/ |
945)
|
= |
-16.08253967 |
8 |
997940 |
2524 |
- |
2586 |
= |
-62 |
* |
(337 |
/ |
945)
|
= |
-22.11005287 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Patrick Henry Middle
|
-57 |
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 |
31505 |
2479 |
- |
2552 |
= |
-73 |
* |
(333 |
/ |
947)
|
= |
-25.66948253 |
7 |
31506 |
2525 |
- |
2567 |
= |
-42 |
* |
(320 |
/ |
947)
|
= |
-14.19218581 |
8 |
31509 |
2546 |
- |
2586 |
= |
-40 |
* |
(294 |
/ |
947)
|
= |
-12.4181626 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Patrick Henry Middle
|
-52 |
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 |
32057 |
2501 |
- |
2552 |
= |
-51 |
* |
(390 |
/ |
1070)
|
= |
-18.58878503 |
7 |
32059 |
2509 |
- |
2567 |
= |
-58 |
* |
(339 |
/ |
1070)
|
= |
-18.37570088 |
8 |
32062 |
2530 |
- |
2586 |
= |
-56 |
* |
(341 |
/ |
1070)
|
= |
-17.84672893 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Patrick Henry Middle
|
-55 |
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 |
32085 |
2480 |
- |
2552 |
= |
-72 |
* |
(419 |
/ |
1138)
|
= |
-26.50966603 |
7 |
32086 |
2511 |
- |
2567 |
= |
-56 |
* |
(378 |
/ |
1138)
|
= |
-18.60105447 |
8 |
32089 |
2513 |
- |
2586 |
= |
-73 |
* |
(341 |
/ |
1138)
|
= |
-21.87434094 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Patrick Henry Middle
|
-67 |
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 |
32266 |
2499 |
- |
2552 |
= |
-53 |
* |
(414 |
/ |
1229)
|
= |
-17.85353946 |
7 |
32267 |
2501 |
- |
2567 |
= |
-66 |
* |
(429 |
/ |
1229)
|
= |
-23.03824241 |
8 |
32268 |
2535 |
- |
2586 |
= |
-51 |
* |
(386 |
/ |
1229)
|
= |
-16.01790068 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Patrick Henry Middle
|
-57 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-57
|
-52
|
-55
|
-67
|
-57
|
-288.0 |
-57.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -42.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -72.6
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: