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Use a p-value

Use a p-value

Database System Concepts
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
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Question # 4. Sixty specimens of a new computer chips were tested for the speed in a certain application, along with sixty specimens of chips with old design. The average speed, in MHz, for new chips was 395.6 with the standard deviation of 40.4. The average speed, in MHz, for old chips was 375.3 with the standard deviation of 44.5. Can you conclude that the mean speed for the new chips is greater than that of the old chips? Use a p-value in your conclusion. Page 4 of 5
Transcribed Image Text:Question # 4. Sixty specimens of a new computer chips were tested for the speed in a certain application, along with sixty specimens of chips with old design. The average speed, in MHz, for new chips was 395.6 with the standard deviation of 40.4. The average speed, in MHz, for old chips was 375.3 with the standard deviation of 44.5. Can you conclude that the mean speed for the new chips is greater than that of the old chips? Use a p-value in your conclusion. Page 4 of 5
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