MHB Display information on a normal curve

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To display the average hospital stay for patients undergoing abdominal surgery on a normal curve, the mean is set at 6.4 days with a standard deviation of 1.4 days. This creates a bell-shaped curve centered around the mean, indicating the distribution of patient stays. The sample size of 15 patients provides a basis for estimating the population parameters. Visual representation can be achieved using graphing software or statistical tools that plot the normal distribution. Properly illustrating this data helps in understanding patient stay patterns and planning resources effectively.
CosmoK123456
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A hospital would like to determine the average stay for its patients having abdominal surgery. A sample of 15 patients revealed a sample mean of 6.4 days and a sample standard deviation of 1.4 days.How do you display this in a normal curve?? any help would be appreciated. Thanks
 
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CosmoK123456 said:
A hospital would like to determine the average stay for its patients having abdominal surgery. A sample of 15 patients revealed a sample mean of 6.4 days and a sample standard deviation of 1.4 days.How do you display this in a normal curve?? any help would be appreciated. Thanks

Hi CosmoK! :)

The normal curve looks like this:
View attachment 1198

It has a mean of 6.4 days and a standard deviation of 1.4 days.
 

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Thread 'Erroneously finding discrepancy in transpose rule'

Thread 'Erroneously finding discrepancy in transpose rule'

Obviously, there is something elementary I am missing here. To form the transpose of a matrix, one exchanges rows and columns, so the transpose of a scalar, considered as (or isomorphic to) a one-entry matrix, should stay the same, including if the scalar is a complex number. On the other hand, in the isomorphism between the complex plane and the real plane, a complex number a+bi corresponds to a matrix in the real plane; taking the transpose we get which then corresponds to a-bi...
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