A test has 18 items and its reliability is .8. A new version of the test is planned such that it has 27 items which includes the 18 items. Estimate the reliability of the new 27-item test. The estimated reliability is ________________ .
A test has 18 items and its reliability is .8. A new version of the test is planned such that it has 27 items which includes the 18 items. Estimate the reliability of the new 27-item test. The estimated reliability is ________________ .
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 14PPS
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A test has 18 items and its reliability is .8. A new version of the test is planned such that it has 27 items which includes the 18 items. Estimate the reliability of the new 27-item test. The estimated reliability is ________________ .
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