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 |
11 |
860934 |
2485 |
- |
2628 |
= |
-143 |
* |
(322 |
/ |
322)
|
= |
-143.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for John C. Fremont Senior High
|
-143 |
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 |
8 |
27243 |
0 |
- |
2586 |
= |
|
* |
(0 |
/ |
336)
|
= |
|
11 |
27244 |
2512 |
- |
2628 |
= |
-116 |
* |
(336 |
/ |
336)
|
= |
-116.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for John C. Fremont Senior High
|
-116 |
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 |
27824 |
2511 |
- |
2628 |
= |
-117 |
* |
(324 |
/ |
324)
|
= |
-117.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for John C. Fremont Senior High
|
-117 |
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 |
27872 |
2494 |
- |
2628 |
= |
-134 |
* |
(324 |
/ |
324)
|
= |
-134.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for John C. Fremont Senior High
|
-134 |
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 |
28052 |
2502 |
- |
2628 |
= |
-126 |
* |
(430 |
/ |
430)
|
= |
-126.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for John C. Fremont Senior High
|
-126 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-143
|
-116
|
-117
|
-134
|
-126
|
-636.0 |
-127.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -94.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -160.2
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: