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 |
2686096 |
2404 |
- |
2436 |
= |
-32 |
* |
(306 |
/ |
1639) |
= |
-5.97437459 |
4 |
2686097 |
2435 |
- |
2485 |
= |
-50 |
* |
(262 |
/ |
1639) |
= |
-7.99267845 |
5 |
2686100 |
2453 |
- |
2528 |
= |
-75 |
* |
(256 |
/ |
1639) |
= |
-11.71446 |
6 |
2686101 |
2451 |
- |
2552 |
= |
-101 |
* |
(266 |
/ |
1639) |
= |
-16.39170218 |
7 |
2686104 |
2492 |
- |
2567 |
= |
-75 |
* |
(280 |
/ |
1639) |
= |
-12.81269063 |
8 |
2686105 |
2496 |
- |
2586 |
= |
-90 |
* |
(269 |
/ |
1639) |
= |
-14.77120194 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Mount Pleasant Elementary
|
-70 |
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 |
81850 |
2400 |
- |
2436 |
= |
-36 |
* |
(274 |
/ |
1607) |
= |
-6.13814558 |
4 |
81853 |
2459 |
- |
2485 |
= |
-26 |
* |
(308 |
/ |
1607) |
= |
-4.98319851 |
5 |
81854 |
2463 |
- |
2528 |
= |
-65 |
* |
(245 |
/ |
1607) |
= |
-9.90976974 |
6 |
81857 |
2472 |
- |
2552 |
= |
-80 |
* |
(245 |
/ |
1607) |
= |
-12.19663968 |
7 |
81859 |
2497 |
- |
2567 |
= |
-70 |
* |
(255 |
/ |
1607) |
= |
-11.10765397 |
8 |
81860 |
2528 |
- |
2586 |
= |
-58 |
* |
(280 |
/ |
1607) |
= |
-10.10578718 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Mount Pleasant Elementary
|
-54 |
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 |
84131 |
2396 |
- |
2436 |
= |
-40 |
* |
(243 |
/ |
1561) |
= |
-6.22677768 |
4 |
84133 |
2447 |
- |
2485 |
= |
-38 |
* |
(268 |
/ |
1561) |
= |
-6.52402305 |
5 |
84134 |
2466 |
- |
2528 |
= |
-62 |
* |
(304 |
/ |
1561) |
= |
-12.07431133 |
6 |
84137 |
2472 |
- |
2552 |
= |
-80 |
* |
(241 |
/ |
1561) |
= |
-12.35105696 |
7 |
84138 |
2506 |
- |
2567 |
= |
-61 |
* |
(247 |
/ |
1561) |
= |
-9.65214602 |
8 |
84141 |
2517 |
- |
2586 |
= |
-69 |
* |
(258 |
/ |
1561) |
= |
-11.40422802 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Mount Pleasant Elementary
|
-58 |
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 |
84348 |
2389 |
- |
2436 |
= |
-47 |
* |
(249 |
/ |
1498) |
= |
-7.81241652 |
4 |
84350 |
2437 |
- |
2485 |
= |
-48 |
* |
(242 |
/ |
1498) |
= |
-7.75433909 |
5 |
84352 |
2449 |
- |
2528 |
= |
-79 |
* |
(256 |
/ |
1498) |
= |
-13.50066755 |
6 |
84354 |
2478 |
- |
2552 |
= |
-74 |
* |
(277 |
/ |
1498) |
= |
-13.68357806 |
7 |
84356 |
2510 |
- |
2567 |
= |
-57 |
* |
(238 |
/ |
1498) |
= |
-9.05607473 |
8 |
84358 |
2505 |
- |
2586 |
= |
-81 |
* |
(236 |
/ |
1498) |
= |
-12.76101467 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Mount Pleasant Elementary
|
-65 |
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 |
84965 |
2397 |
- |
2436 |
= |
-39 |
* |
(236 |
/ |
1447) |
= |
-6.36074634 |
4 |
84966 |
2452 |
- |
2485 |
= |
-33 |
* |
(242 |
/ |
1447) |
= |
-5.51900481 |
5 |
84967 |
2458 |
- |
2528 |
= |
-70 |
* |
(247 |
/ |
1447) |
= |
-11.94885965 |
6 |
84968 |
2466 |
- |
2552 |
= |
-86 |
* |
(227 |
/ |
1447) |
= |
-13.49136137 |
7 |
84969 |
2507 |
- |
2567 |
= |
-60 |
* |
(266 |
/ |
1447) |
= |
-11.0297166 |
8 |
84970 |
2503 |
- |
2586 |
= |
-83 |
* |
(229 |
/ |
1447) |
= |
-13.1354526 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Mount Pleasant Elementary
|
-61 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-70
|
-54
|
-58
|
-65
|
-61
|
-308.0 |
-61.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -43.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -79.6
For the lines, you have the data necessary to plot the chart.