12. Fifty specimens of a new computer chip were tested for speed in a certain application, along with fifty specimens of chips with the old design. The average speed, in MHz, for the new chips was 497.8, and the standard deviation was 19.3 MHz. The average speed for the chips having the old design was 483.2 MHz and the standard deviation was 14.1 MHz. Assume the samples are independent. Conduct a hypothesis test at the 5% significance level to determine whether the mean speed of chips having the new chip design exceeds the mean speed of chips having the old chip design as follows: State the appropriate null and alternative hypotheses. Compute the appropriate test statistic. Compute the P – value. d. а. b. с. State your conclusion in context.
12. Fifty specimens of a new computer chip were tested for speed in a certain application, along with fifty specimens of chips with the old design. The average speed, in MHz, for the new chips was 497.8, and the standard deviation was 19.3 MHz. The average speed for the chips having the old design was 483.2 MHz and the standard deviation was 14.1 MHz. Assume the samples are independent. Conduct a hypothesis test at the 5% significance level to determine whether the mean speed of chips having the new chip design exceeds the mean speed of chips having the old chip design as follows: State the appropriate null and alternative hypotheses. Compute the appropriate test statistic. Compute the P – value. d. а. b. с. State your conclusion in context.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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
Transcribed Image Text:12. Fifty specimens of a new computer chip were tested for speed in a certain application, along with fifty specimens of chips with the old design.
The average speed, in MHz, for the new chips was 497.8, and the standard deviation was 19.3 MHz. The average speed for the chips having the old
design was 483.2 MHz and the standard deviation was 14.1 MHz. Assume the samples are independent. Conduct a hypothesis test at the 5%
significance level to determine whether the mean speed of chips having the new chip design exceeds the mean speed of chips having the old chip
design as follows:
State the appropriate null and alternative hypotheses.
Compute the appropriate test statistic.
Compute the P – value.
State your conclusion in context.
а.
b.
с.
d.
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