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	1478407	2449	-	2436	=	13	*	(57	/	273)	=	2.7142857
4	1478410	2445	-	2485	=	-40	*	(66	/	273)	=	-9.67032964
5	1478411	2508	-	2528	=	-20	*	(79	/	273)	=	-5.78754578
6	1478414	2542	-	2552	=	-10	*	(71	/	273)	=	-2.6007326
Step 4	SUM Weighted Distance From Standard to get 2015 Difference From Standard for Parkview Elementary											-15

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	46433	2470	-	2436	=	34	*	(66	/	271)	=	8.28044279
4	46434	2481	-	2485	=	-4	*	(66	/	271)	=	-0.97416974
5	46437	2492	-	2528	=	-36	*	(66	/	271)	=	-8.76752766
6	46438	2548	-	2552	=	-4	*	(73	/	271)	=	-1.07749077
Step 4	SUM Weighted Distance From Standard to get 2016 Difference From Standard for Parkview Elementary											-3

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	47677	2454	-	2436	=	18	*	(66	/	274)	=	4.33576642
4	47679	2487	-	2485	=	2	*	(70	/	274)	=	0.5109489
5	47680	2526	-	2528	=	-2	*	(70	/	274)	=	-0.5109489
6	47683	2532	-	2552	=	-20	*	(68	/	274)	=	-4.96350364
Step 4	SUM Weighted Distance From Standard to get 2017 Difference From Standard for Parkview Elementary											-1

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	47681	2446	-	2436	=	10	*	(51	/	256)	=	1.9921875
4	47682	2499	-	2485	=	14	*	(62	/	256)	=	3.390625
5	47685	2530	-	2528	=	2	*	(73	/	256)	=	0.5703125
6	47686	2563	-	2552	=	11	*	(70	/	256)	=	3.0078125
Step 4	SUM Weighted Distance From Standard to get 2018 Difference From Standard for Parkview Elementary											9

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	47864	2477	-	2436	=	41	*	(63	/	254)	=	10.16929134
4	47865	2477	-	2485	=	-8	*	(55	/	254)	=	-1.73228346
5	47866	2559	-	2528	=	31	*	(62	/	254)	=	7.56692913
6	47867	2556	-	2552	=	4	*	(74	/	254)	=	1.16535433
Step 4	SUM Weighted Distance From Standard to get 2019 Difference From Standard for Parkview Elementary											17

Last steps

Compute the average

2015	2016	2017	2018	2019	Sum	Average
-15	-3	-1	9	17	7.0	1.4

Compute the Upper Control Limit

Simply compute the standard deviation and multiply by 3 and add to the average: 37.4

Compute the Lower Control Limit

Simply compute the standard deviation and multiply by 3 and subtract from the average: -34.6

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:

	2015	2016	2017	2018	2019
Percent	75%	65%	68%	70%	64%
Data source	2015 data file	2016 data file	2017 data file	2018 data file	2019 data file