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Much concern has been expressed regarding the practice of using nitrates as meat preservatives. In one study involving possible effects of these chemicals, bacteria cultures were grown in a medium containing nitrates. The rate of uptake of radio-labeled amino acid (in dpm, disintegrations per minute) was then determined for each culture, yielding the following observations. 7,256 6,876 9,633 6,869 9,095 5,841 8,958 7,972 7,065 7,495 7,884 8,172 7,525 8,725 7,462 n USE SALT Suppose that it is known that the mean rate of uptake for cultures without nitrates is 8,000. Do the data suggest that the addition of nitrates results in a decrease in the mean rate of uptake? Test the appropriate hypotheses using a significance level of 0.10. Find the test statistic and P-value. (Use technology to calculate the P-value. Round your test statistic to two decimal places and your P-value to three decimal places.) t = P-value = State your conclusion. O Fail to reject H. We do not have convincing evidence that the mean rate of uptake is reduced by the addition of nitrates. O Reject H. We do not have convincing evidence that the mean rate of uptake is reduced by the addition of nitrates. O Reject Ho. We have convincing evidence that the mean rate of uptake is reduced by the addition of nitrates. O Fail to reject H. We have convincing evidence that the mean rate of uptake is reduced by the addition of nitrates.

Much concern has been expressed regarding the practice of using nitrates as meat preservatives. In one study involving possible effects of these chemicals, bacteria cultures were grown in a medium containing nitrates. The rate of uptake of radio-labeled amino acid (in dpm, disintegrations per minute) was then determined for each culture, yielding the following observations. 7,256 6,876 9,633 6,869 9,095 5,841 8,958 7,972 7,065 7,495 7,884 8,172 7,525 8,725 7,462 n USE SALT Suppose that it is known that the mean rate of uptake for cultures without nitrates is 8,000. Do the data suggest that the addition of nitrates results in a decrease in the mean rate of uptake? Test the appropriate hypotheses using a significance level of 0.10. Find the test statistic and P-value. (Use technology to calculate the P-value. Round your test statistic to two decimal places and your P-value to three decimal places.) t = P-value = State your conclusion. O Fail to reject H. We do not have convincing evidence that the mean rate of uptake is reduced by the addition of nitrates. O Reject H. We do not have convincing evidence that the mean rate of uptake is reduced by the addition of nitrates. O Reject Ho. We have convincing evidence that the mean rate of uptake is reduced by the addition of nitrates. O Fail to reject H. We have convincing evidence that the mean rate of uptake is reduced by the addition of nitrates.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Much concern has been expressed regarding the practice of using nitrates as meat preservatives. In one study involving possible effects of these chemicals, bacteria cultures were grown in a medium containing nitrates. The rate of uptake of radio-labeled amino acid (in dpm, disintegrations per minute) was then determined for each culture, yielding the following observations. 7,256 6,876 9,633 6,869 9,095 5,841 8,958 7,972 7,065 7,495 7,884 8,172 7,525 8,725 7,462 n USE SALT Suppose that it is known that the mean rate of uptake for cultures without nitrates is 8,000. Do the data suggest that the addition of nitrates results in a decrease in the mean rate of uptake? Test the appropriate hypotheses using a significance level of 0.10. Find the test statistic and P-value. (Use technology to calculate the P-value. Round your test statistic to two decimal places and your P-value to three decimal places.) t = p-value = State your conclusion. O Fail to reject H,. We do not have convincing evidence that the mean rate of uptake is reduced by the addition of nitrates. O Reject Ho. We do not have convincing evidence that the mean rate of uptake is reduced by the addition of nitrates. O Reject Ho. We have convincing evidence that the mean rate of uptake is reduced by the addition of nitrates. O Fail to reject Ho. We have convincing evidence that the mean rate of uptake is reduced by the addition of nitrates.
Transcribed Image Text:Much concern has been expressed regarding the practice of using nitrates as meat preservatives. In one study involving possible effects of these chemicals, bacteria cultures were grown in a medium containing nitrates. The rate of uptake of radio-labeled amino acid (in dpm, disintegrations per minute) was then determined for each culture, yielding the following observations. 7,256 6,876 9,633 6,869 9,095 5,841 8,958 7,972 7,065 7,495 7,884 8,172 7,525 8,725 7,462 n USE SALT Suppose that it is known that the mean rate of uptake for cultures without nitrates is 8,000. Do the data suggest that the addition of nitrates results in a decrease in the mean rate of uptake? Test the appropriate hypotheses using a significance level of 0.10. Find the test statistic and P-value. (Use technology to calculate the P-value. Round your test statistic to two decimal places and your P-value to three decimal places.) t = p-value = State your conclusion. O Fail to reject H,. We do not have convincing evidence that the mean rate of uptake is reduced by the addition of nitrates. O Reject Ho. We do not have convincing evidence that the mean rate of uptake is reduced by the addition of nitrates. O Reject Ho. We have convincing evidence that the mean rate of uptake is reduced by the addition of nitrates. O Fail to reject Ho. We have convincing evidence that the mean rate of uptake is reduced by the addition of nitrates.
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