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 |
7 |
987376 |
2434 |
- |
2567 |
= |
-133 |
* |
(602 |
/ |
1229)
|
= |
-65.14727416 |
8 |
987377 |
2455 |
- |
2586 |
= |
-131 |
* |
(627 |
/ |
1229)
|
= |
-66.83238397 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Mary McLeod Bethune Middle
|
-132 |
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 |
7 |
31217 |
2457 |
- |
2567 |
= |
-110 |
* |
(541 |
/ |
1110)
|
= |
-53.61261257 |
8 |
31219 |
2477 |
- |
2586 |
= |
-109 |
* |
(569 |
/ |
1110)
|
= |
-55.87477471 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Mary McLeod Bethune Middle
|
-109 |
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 |
7 |
31778 |
2467 |
- |
2567 |
= |
-100 |
* |
(560 |
/ |
1084)
|
= |
-51.6605166 |
8 |
31780 |
2466 |
- |
2586 |
= |
-120 |
* |
(524 |
/ |
1084)
|
= |
-58.00737996 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Mary McLeod Bethune Middle
|
-110 |
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 |
7 |
31814 |
2456 |
- |
2567 |
= |
-111 |
* |
(516 |
/ |
1049)
|
= |
-54.60057188 |
8 |
31816 |
2469 |
- |
2586 |
= |
-117 |
* |
(533 |
/ |
1049)
|
= |
-59.44804574 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Mary McLeod Bethune Middle
|
-114 |
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 |
7 |
31991 |
2467 |
- |
2567 |
= |
-100 |
* |
(460 |
/ |
986)
|
= |
-46.653144 |
8 |
31992 |
2457 |
- |
2586 |
= |
-129 |
* |
(526 |
/ |
986)
|
= |
-68.81744411 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Mary McLeod Bethune Middle
|
-115 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-132
|
-109
|
-110
|
-114
|
-115
|
-580.0 |
-116.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -89.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -143.0
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: