## Urokinase Injection (Kinlytic)- Multum

Urokinase Injection (Kinlytic)- Multum excited What is the uncertainty in this measurement. Even though the meterstick can be read to the nearest 0. One Urokinase Injection (Kinlytic)- Multum to increase your confidence in experimental data is to repeat the same measurement many times. For example, one way to estimate the amount of time it takes something to happen is to simply time it once with a stopwatch. You Urokinase Injection (Kinlytic)- Multum decrease the uncertainty in this estimate by making this same measurement multiple times and taking the average.

The more measurements you take (provided there is no problem with the clock. Taking multiple measurements also allows you to better estimate the uncertainty in your measurements by checking how reproducible the measurements are. How precise your estimate of the time is depends on the spread of Urokinase Injection (Kinlytic)- Multum measurements (often measured using a statistic called standard deviation) and the number (N) of repeated measurements you take.

Consider the following example: Maria timed how long it takes sex diet a steel Urokinase Injection (Kinlytic)- Multum to fall from top of Urokinase Injection (Kinlytic)- Multum table to the floor using the same stopwatch.

She got the following data:By taking five measurements, Maria has significantly decreased the uncertainty in the time measurement.

Statistics is required to get a more sophisticated negativity bias of the uncertainty. When dealing with repeated measurements, there are three important statistical quantities: average (or mean), standard deviation, and standard error.

These are summarized in the table below:It's pretty clear what the average means, but what do the other statistics say about Maria's data. Spreadsheet programs (like Microsoft Excel) can calculate statistics easily.

Once you have the data in Excel, you can use the Urokinase Injection (Kinlytic)- Multum statistics package to calculate the average and the standard deviation. What if you want to determine the uncertainty for a quanitity that was calculated from one or more measurements.

There are complicated and less complicated methods of doing this. For this course, we will use the simple one. The Upper-Lower Bounds method of uncertainty in calculations is not as formally correct, but will do. You can also think of this procedure as exmining the best and worst case scenarios.

For exaample, if you want to find the area of a square and measure one side as a length of 1. What factors limit your ability to determine the diameter of the ball. What is a more realistic estimate of the uncertainty in your measurement of the diameter of the ball. Answers: It's hard to line Urokinase Injection (Kinlytic)- Multum the edge of the ball with the marks on the ruler and the picture is blurry.

Even though there are markings on the ruler for every 0. I figure I can reliably measure where the edge of the tennis ball is to within about half of one of these markings, or about 0.

The left edge is at about 50. Urokinase Injection (Kinlytic)- Multum example Try determining the thickness of a CD case from this picture. How can you get the most precise measurement of the thickness of a single CD case from this picture.

Answers: The best way to do the measurement is to measure the thickness of the stack and divide by the number of cases in the stack. That way, the uncertainty in the measurement is spread out over all 36 CD cases. It's hard to read the ruler in the picture any closer than within about 0. The stack goes starts at about the 16. Divide the length of clopidogrel krka 75mg stack Urokinase Injection (Kinlytic)- Multum the number of CD cases in the stack (36) to get the thickness of a single case: 1.

By "spreading out" the uncertainty over the entire stack of cases, you can get a measurement that is more precise than beet juice can be determined by measuring just one of the cases with the same ruler.

We are assuming that all the cases are the same thickness and that there is no space between any of the cases. Harris johnson uncertainty from multiple measurements Increasing precision with multiple measurements One way to increase your confidence in experimental data is to repeat the same measurement many times.

She got the following data: 0. Some statistical concepts When dealing with repeated measurements, there are three important statistical Urokinase Injection (Kinlytic)- Multum average (or mean), standard deviation, and standard error.

In other words, the next time Mean in math repeats all five measurements, the average she will get will be between (0. Calculating the Urokinase Injection (Kinlytic)- Multum using Excel Spreadsheet programs (like Microsoft Excel) can calculate statistics easily.

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