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 |
| 3 |
2251498 |
2475 |
- |
2436 |
= |
39 |
* |
(91 |
/ |
269)
|
= |
13.19330852 |
| 4 |
2251501 |
2538 |
- |
2485 |
= |
53 |
* |
(87 |
/ |
269)
|
= |
17.14126392 |
| 5 |
2251502 |
2562 |
- |
2528 |
= |
34 |
* |
(91 |
/ |
269)
|
= |
11.50185871 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Hearst Elementary
|
42 |
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 |
| 3 |
69098 |
2499 |
- |
2436 |
= |
63 |
* |
(84 |
/ |
258)
|
= |
20.51162789 |
| 4 |
69100 |
2524 |
- |
2485 |
= |
39 |
* |
(88 |
/ |
258)
|
= |
13.30232557 |
| 5 |
69101 |
2577 |
- |
2528 |
= |
49 |
* |
(86 |
/ |
258)
|
= |
16.33333332 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Hearst Elementary
|
50 |
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 |
| 3 |
70931 |
2515 |
- |
2436 |
= |
79 |
* |
(70 |
/ |
245)
|
= |
22.57142852 |
| 4 |
70933 |
2531 |
- |
2485 |
= |
46 |
* |
(83 |
/ |
245)
|
= |
15.58367346 |
| 5 |
70935 |
2584 |
- |
2528 |
= |
56 |
* |
(92 |
/ |
245)
|
= |
21.02857142 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Hearst Elementary
|
59 |
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 |
| 3 |
71075 |
2499 |
- |
2436 |
= |
63 |
* |
(73 |
/ |
229)
|
= |
20.0829694 |
| 4 |
71077 |
2556 |
- |
2485 |
= |
71 |
* |
(77 |
/ |
229)
|
= |
23.87336241 |
| 5 |
71079 |
2582 |
- |
2528 |
= |
54 |
* |
(79 |
/ |
229)
|
= |
18.62882091 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Hearst Elementary
|
63 |
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 |
| 3 |
71563 |
2490 |
- |
2436 |
= |
54 |
* |
(81 |
/ |
232)
|
= |
18.85344827 |
| 4 |
71564 |
2544 |
- |
2485 |
= |
59 |
* |
(75 |
/ |
232)
|
= |
19.07327586 |
| 5 |
71565 |
2618 |
- |
2528 |
= |
90 |
* |
(76 |
/ |
232)
|
= |
29.48275854 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Hearst Elementary
|
67 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
42
|
50
|
59
|
63
|
67
|
281.0 |
56.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 86.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 26.2
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:
