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	1471914	2446	-	2436	=	10	*	(40	/	134)	=	2.98507462
4	1471917	2480	-	2485	=	-5	*	(31	/	134)	=	-1.15671642
5	1471918	2536	-	2528	=	8	*	(36	/	134)	=	2.14925373
6	1471921	2570	-	2552	=	18	*	(27	/	134)	=	3.62686567
Step 4	SUM Weighted Distance From Standard to get 2015 Difference From Standard for Garden Park Elementary											8

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	46222	2454	-	2436	=	18	*	(34	/	146)	=	4.19178082
4	46225	2477	-	2485	=	-8	*	(36	/	146)	=	-1.97260274
5	46227	2496	-	2528	=	-32	*	(34	/	146)	=	-7.45205478
6	46228	2586	-	2552	=	34	*	(42	/	146)	=	9.78082189
Step 4	SUM Weighted Distance From Standard to get 2016 Difference From Standard for Garden Park Elementary											5

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	47465	2451	-	2436	=	15	*	(38	/	139)	=	4.10071941
4	47467	2474	-	2485	=	-11	*	(31	/	139)	=	-2.4532374
5	47469	2514	-	2528	=	-14	*	(35	/	139)	=	-3.52517985
6	47470	2542	-	2552	=	-10	*	(35	/	139)	=	-2.51798561
Step 4	SUM Weighted Distance From Standard to get 2017 Difference From Standard for Garden Park Elementary											-4

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	47475	2454	-	2436	=	18	*	(35	/	135)	=	4.66666666
4	47476	2499	-	2485	=	14	*	(36	/	135)	=	3.73333332
5	47479	2531	-	2528	=	3	*	(31	/	135)	=	0.68888889
6	47480	2560	-	2552	=	8	*	(33	/	135)	=	1.95555555
Step 4	SUM Weighted Distance From Standard to get 2018 Difference From Standard for Garden Park Elementary											11

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	47654	2433	-	2436	=	-3	*	(30	/	127)	=	-0.70866142
4	47655	2499	-	2485	=	14	*	(33	/	127)	=	3.63779527
5	47656	2526	-	2528	=	-2	*	(37	/	127)	=	-0.58267716
6	47657	2570	-	2552	=	18	*	(27	/	127)	=	3.82677165
Step 4	SUM Weighted Distance From Standard to get 2019 Difference From Standard for Garden Park Elementary											6

Last steps

Compute the average

2015	2016	2017	2018	2019	Sum	Average
8	5	-4	11	6	26.0	5.2

Compute the Upper Control Limit

Simply compute the standard deviation and multiply by 3 and add to the average: 20.2

Compute the Lower Control Limit

Simply compute the standard deviation and multiply by 3 and subtract from the average: -9.8

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	30%	25%	28%	32%	31%
Data source	2015 data file	2016 data file	2017 data file	2018 data file	2019 data file