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Example 13.9 A test in mathematics was given to students of two higher secondary schools in Delhi The sample size in each case was 100, that is, n₁ = 100 and n₂ = 100. The break-up of students on the basis of grades obtained by them is shown below: Table 13.8 The Break-up of Students Sample HSS 2 Total Grade HSS 1 15 10 25 25 15 40 35 40 75 25 35 60 n - 100 n. 100 200 P₁ P₂ P3 P4 A B C D

Example 13.9 A test in mathematics was given to students of two higher secondary schools in Delhi The sample size in each case was 100, that is, n₁ = 100 and n₂ = 100. The break-up of students on the basis of grades obtained by them is shown below: Table 13.8 The Break-up of Students Sample HSS 2 Total Grade HSS 1 15 10 25 25 15 40 35 40 75 25 35 60 n - 100 n. 100 200 P₁ P₂ P3 P4 A B C D

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Example 13.9 A test in mathematics was given to students of two higher secondary schools in Delhi, The sample size in each case was 100, that is, n₁ = 100 and n₂ = 100. The break-up of students on the basis of grades obtained by them is shown below: Table 13.8 The Break-up of Students Grade HSS 1 HSS 2 Total 10 15 25 P₁ 15 25 40 P₂ 35 40 75 P3 D P4 25 35 60 M₁ = = 100 7₂=100 200 The question is: is there any difference between the grades of the two higher secondary schools? ABCD Sample
Transcribed Image Text:Example 13.9 A test in mathematics was given to students of two higher secondary schools in Delhi, The sample size in each case was 100, that is, n₁ = 100 and n₂ = 100. The break-up of students on the basis of grades obtained by them is shown below: Table 13.8 The Break-up of Students Grade HSS 1 HSS 2 Total 10 15 25 P₁ 15 25 40 P₂ 35 40 75 P3 D P4 25 35 60 M₁ = = 100 7₂=100 200 The question is: is there any difference between the grades of the two higher secondary schools? ABCD Sample
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