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	2245394	2424	-	2436	=	-12	*	(81	/	392)	=	-2.47959184
4	2245395	2436	-	2485	=	-49	*	(73	/	392)	=	-9.12499996
5	2245398	2448	-	2528	=	-80	*	(83	/	392)	=	-16.93877544
6	2245399	2473	-	2552	=	-79	*	(73	/	392)	=	-14.71173463
7	2245402	2496	-	2567	=	-71	*	(53	/	392)	=	-9.59948975
8	2245403	2482	-	2586	=	-104	*	(29	/	392)	=	-7.69387746
Step 4	SUM Weighted Distance From Standard to get 2015 Difference From Standard for Darnall Charter											-61

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	68920	2399	-	2436	=	-37	*	(79	/	411)	=	-7.11192211
4	68921	2447	-	2485	=	-38	*	(82	/	411)	=	-7.58150848
5	68924	2459	-	2528	=	-69	*	(71	/	411)	=	-11.91970798
6	68926	2476	-	2552	=	-76	*	(72	/	411)	=	-13.31386856
7	68927	2494	-	2567	=	-73	*	(62	/	411)	=	-11.01216541
8	68929	2516	-	2586	=	-70	*	(45	/	411)	=	-7.66423357
Step 4	SUM Weighted Distance From Standard to get 2016 Difference From Standard for Darnall Charter											-59

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	70753	2437	-	2436	=	1	*	(72	/	421)	=	0.17102138
4	70755	2435	-	2485	=	-50	*	(79	/	421)	=	-9.3824228
5	70757	2472	-	2528	=	-56	*	(79	/	421)	=	-10.50831354
6	70759	2479	-	2552	=	-73	*	(69	/	421)	=	-11.96437048
7	70761	2483	-	2567	=	-84	*	(69	/	421)	=	-13.76722082
8	70762	2516	-	2586	=	-70	*	(53	/	421)	=	-8.81235152
Step 4	SUM Weighted Distance From Standard to get 2017 Difference From Standard for Darnall Charter											-54

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	70899	2435	-	2436	=	-1	*	(72	/	424)	=	-0.16981132
4	70901	2454	-	2485	=	-31	*	(75	/	424)	=	-5.48349055
5	70903	2473	-	2528	=	-55	*	(70	/	424)	=	-9.08018865
6	70905	2486	-	2552	=	-66	*	(74	/	424)	=	-11.51886787
7	70907	2489	-	2567	=	-78	*	(63	/	424)	=	-11.58962259
8	70909	2492	-	2586	=	-94	*	(70	/	424)	=	-15.51886787
Step 4	SUM Weighted Distance From Standard to get 2018 Difference From Standard for Darnall Charter											-53

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	71390	2411	-	2436	=	-25	*	(77	/	426)	=	-4.51877933
4	71391	2443	-	2485	=	-42	*	(75	/	426)	=	-7.3943662
5	71392	2510	-	2528	=	-18	*	(77	/	426)	=	-3.25352111
6	71393	2482	-	2552	=	-70	*	(70	/	426)	=	-11.50234736
7	71394	2481	-	2567	=	-86	*	(67	/	426)	=	-13.52582157
8	71395	2491	-	2586	=	-95	*	(60	/	426)	=	-13.38028165
Step 4	SUM Weighted Distance From Standard to get 2019 Difference From Standard for Darnall Charter											-54

Last steps

Compute the average

2015	2016	2017	2018	2019	Sum	Average
-61	-59	-54	-53	-54	-281.0	-56.2

Compute the Upper Control Limit

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

Compute the Lower Control Limit

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

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	86%	86%	78%	84%	77%
Data source	2015 data file	2016 data file	2017 data file	2018 data file	2019 data file