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Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.3: Measures Of Spread

Problem 1GP

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Question

Twelve students were given remedial instruction in reading comprehension. Pretest and posttest were also administered, the results of which follow:
nts
Pretest
Posttest
25
30
20
25
20
20
8
12
15
20
8
8
ats
15
20
8
8
20
20
cite
21
20
35
38
20
30
an
Test at 0.05 level of significance to find out if there is significant difference between the ranking of the pretest and posttest results. Use 2 decimal places
STATISTICS =
ng
TABULAR VALUE =
ce
er
COMPUTED VALUE =

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