Scientists Use of Significant Figures for Measurements

Research results tell us information about data that has been collected. Within the data results, the author states the results are statistically significant, meaning that there is a relationship within either a positive and negative correlation. The M (Mean) of the data tells the average value of the results. The (SD) Standard Deviation is the variability of a set of data around the mean value in a distribution (Rosnow & Rosenthal, 2013).

In TMA02 I asked my tutor to give me specific feedback on the learning outcome Ky1. I was advised that I should take a little more care with significant figures and scientific notation. There has not been much emphasis on significant figures and scientific notation in TMA04. However I have taken the advice given by my tutor and broadened it to include attention to detail in all areas dealing with numbers within this assignment especially in questions 2 ai) 2ci) & 3bi).

The student will work with small and big numbers from 10 to 100 to solve the operations.

I will use the assessment from the previous lesson which divided three and four digit numbers by a one digit divisor.

Abstract: The objective of the lab is to determine the volumes of the polystyrene spheres with three different measuring tools: Water Displacement, Analytical Scale, and Triple Beam Balance Scale. The experiment is meant to help understand the concept and application of precision and accuracy in experimental measurements. Accuracy is a measure of how closely the results of repeated measurements are to the true value of what is being measured. Precision is the variability in the results from the repeated measurements, and how close the repeated measurements were to one another. In this lab, the method for measuring the volume of the polystyrene spheres is done with the previously stated tools: Water Displacement, Analytical Scale, and Triple Beam Balance Scale. The standard deviation for the entire classes volumes and masses are recorded to determine the densities.

4. The calculation should be executed only after all the valid input values are provided.

We can use this information for simple division, multiplication and even when multiplying and dividing larger numbers. This information can be used when cooking, grocery shopping, building things etc..

Solve two-step word problems using the four operations. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.

A researcher can state that a measure is valid when it measures what it’s designed to measure accurately.

Both the metric measurement system and the U.S. Customary measurement system is used for medical, scientific, and technical fields. The U.S. Customary measurement system is based on 10s. An example of a use of the customary system is a liter is ten times bigger than a deciliter and a centigram is ten times larger than a milligram. The metric system uses units like meter, liter, mass and the liquid volume. The U.S. Customary uses feet, quarts, and ounces to measure those. So, for the metric system say you could have a 2 liter of coke, but in a U.S. Customary, it would be two

In order to precisely evaluate an expression involving the division of decimals, there are certain steps to ensure success:

Specific measure instruments are used in quantitative research. Gathered measurements are recorded on a chart, which can reveal how small changes between individual measurements may equal to a more noticeable change over a period of time.

Lockheed measure its percentage of completion on most of its long-term contracts by using achievement of performance milestones or using the cost-to-cost method of accounting. In which sales and profits are recorded based on the ratio of costs incur to estimate of total costs at completion.

In this experiment, we experimented finding the fundamental quantities of length, mass, and time using many laboratory tools. We used a Vernier caliper, stopwatch, rulerm meter stick, wooden block, metal block, Dial-o-gram, different masses, and circular objects. We took into consideration the uncertainties of many different tools and objects into our experiment. The inherent uncertainties of different measurements and ways to propagate those uncertainties were learned during this experiment.

From above we know that if the signal is noiseless and contains only one frequency, then we can find the significant frequency in $\mathcal{O}(1)$ time. In this section, we talk about the algorithm in $\cite{MSU}$ in more general case.