Three types of medium sized cars assembled in New Zealand have been test driven by a motoring magazine and compared on a variety of criteria. In the area of fuel efficiency performance, five cars of each brand were each test driven 1000 km; the km per litre data are obtained as follows (kilometres per litre): Brand A (7.6; 8.4; 8.0; 7.6; 8.4). Brand B (7.8; 8.0; 9.1; 8.5; 9.6). Brand C (9.6; 10.4; 9.2; 9.7; 10.6). SSE = 4.26 and TSS = 13.693. What conclusion can you make from this scenario? A. Fail to reject H0: There is insufficient evidence for differences in mean kilometres per litre from these three populations. B. Reject H0: The mean kilometres per litre in these three populations are the same. C. Reject H0: All three populations have different mean kilometres per litre. D. Fail to reject H0: At least one of populations differs from the others in terms of their mean kilometres per litre.

Excel Procedure: Enter the data for A, B, C in Excel sheet>Go to Data Menu>Click on Data…

Answered: Three types of medium sized cars…

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

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.1: Measures Of Center

Problem 27PFA

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Three types of medium sized cars assembled in New Zealand have been test driven by a motoring magazine and compared on a variety of criteria. In the area of fuel efficiency performance, five cars of each brand were each test driven 1000 km; the km per litre data are obtained as follows (kilometres per litre): Brand A (7.6; 8.4; 8.0; 7.6; 8.4). Brand B (7.8; 8.0; 9.1; 8.5; 9.6). Brand C (9.6; 10.4; 9.2; 9.7; 10.6). SSE = 4.26 and TSS = 13.693. What conclusion can you make from this scenario?

A. Fail to reject H0: There is insufficient evidence for differences in mean kilometres per litre from these three populations.
B. Reject H0: The mean kilometres per litre in these three populations are the same.
C. Reject H0: All three populations have different mean kilometres per litre.
D. Fail to reject H0: At least one of populations differs from the others in terms of their mean kilometres per litre.

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