STUDENTS IN MIDPOINT OF OPERATING NUMBER OF AVERAGE DAILY VALUES IN EXPENDITURE SChOOls IN ATTENDANCE COLUMN A PER STUDENT SAMPLE (A) (B) (C) (D) 143–200 171 $531.9 6 201-300 250 480.8 12 301-400 350 446.3 19 401–500 450 426.9 17 501-600 550 442.6 14 601-700 650 413.1 13 701-900 800 374.3 901-1,100 1,000 433.2 1,101–1,600 1,350 407.3 1,601–2,400 2,000 405.6 7

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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The attached cost-output data were obtained as part of a study of the economies of scale in operating a charter high school in Wisconsin:

Plot the data in columns B and C in an output (enrollment) cost graph and sketch a smooth curve that would appear to provide a good fit to the data.

STUDENTS IN
MIDPOINT OF
OPERATING
NUMBER OF
AVERAGE DAILY
VALUES IN
EXPENDITURE
SChOOls IN
ATTENDANCE
COLUMN A
PER STUDENT
SAMPLE
(A)
(B)
(C)
(D)
143–200
171
$531.9
6
201-300
250
480.8
12
301-400
350
446.3
19
401–500
450
426.9
17
501-600
550
442.6
14
601-700
650
413.1
13
701-900
800
374.3
901-1,100
1,000
433.2
1,101–1,600
1,350
407.3
1,601–2,400
2,000
405.6
7
Transcribed Image Text:STUDENTS IN MIDPOINT OF OPERATING NUMBER OF AVERAGE DAILY VALUES IN EXPENDITURE SChOOls IN ATTENDANCE COLUMN A PER STUDENT SAMPLE (A) (B) (C) (D) 143–200 171 $531.9 6 201-300 250 480.8 12 301-400 350 446.3 19 401–500 450 426.9 17 501-600 550 442.6 14 601-700 650 413.1 13 701-900 800 374.3 901-1,100 1,000 433.2 1,101–1,600 1,350 407.3 1,601–2,400 2,000 405.6 7
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