Module 6: Measures of Variability‚ Skewness and Kurtosis | Ungrouped Data: VARIABILITY | | Meaning | Lesson | | Formula | Legend | Meaning | NOTE: | VARIABILITY(Four measures of Variability) | Measures of the average distance of each observation from the center of the distribution. | Range(R) | | R=Hv-Lv | Hv- Highest valueLv- Lowest value | Difference between hv and lv in data set. | | | | Variance | population (δ2) | =∑(x-x)2N | x – classmarkx –meanN - population | Average squared
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A Formula for Happiness Bishop Gary E. Stevenson A formula embodied in the gospel of Jesus Christ reveals the pathway to happiness. It is a plain and precious truth found throughout the Book of Mormon. It is described particularly well in the teachings of the prophet Lehi to his sons as he neared the end of his life. In speaking to his son Jacob‚ he taught‚ “For it must needs be‚ that there is an opposition in all things” (2 Nephi 2:11). A few verses later he added‚ “Men are‚ that they might
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Shawn Dubbs Lab 1 The Mole Concept of and the Chemical Formula of a Hydrate Abstract: The objective of this lab was to conduct an experiment to analyze the molar components in alum. This was conducted by heating the alum till the water had evaporated and then determining the number of moles for each component. Then using the these amounts to figure out the empirical formula for alum. Results: In order to determine how much of each separate component a total mass was taken before hand for
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of a persons thought processes‚ it also looks at how these thought processes influence how we understand and interrelate with the world. One of the principal cognitive theorists was Jean Piaget‚ who proposed ideas that revolutionised how we think about child development and whether children think differently than adults. This essay will introduce Jean Piaget as a theorist‚ prior to discussing Jean Piaget’s theory ‘stages of children’s intellectual development’ and explore the experiment Piaget carried
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Lab #5 Chemical Reactions & Balancing Equations Objectives Observe and classify several chemical and physical changes. Give evidence for the occurrence of a chemical reaction. Write a balanced equation for a chemical reaction. Identify a reaction as a combination‚ decomposition‚ replacement‚ or combustion reaction. Background Physical properties can be observed without changing the chemical composition of the substance. Common physical properties that can be measured without changing the chemical
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PERIOD 3 OXIDES These pages explain the relationship between the physical properties of the oxides of Period 3 elements (sodium to chlorine) and their structures. Argon is obviously omitted because it doesn’t form an oxide. A quick summary of the trends The oxides The oxides we’ll be looking at are: |Na2O |MgO |Al2O3 |SiO2 |P4O10 |SO3 |Cl2O7 | | | | | |P4O6 |SO2 |Cl2O | Those oxides in the top
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FORMULA Financial Environment: Quoted rate k = k* + IP + [DRP+LP+MRP] Risk & Return: Expected Return kˆ = P1k1 + P2k2………Pnkn Standard Deviation: The Coefficient of Variation (CV): CV = σ/kˆ The Expected Return on a Portfolio: kˆp = w1kˆ1+ w2kˆ2+……….+ wnkˆ n Portfolio Beta: bp = w1b1+w2b2 …….+wnbn Security market Line = SML = k = krf + (km-krf)b k = krf + (RPm)b Security Valuation: Current yield = annual interest payment market price of bonds
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Empirical Formula of a Compound INTRODUCTION Chemical formulas indicate the composition of compounds. A formula that gives only the simplest ratio of the relative number of atoms in a compound is the empirical formula or simplest formula. The ratio usually consists of small whole numbers. We call a formula that gives the actual numbers of each type of atom in a compound the molecular formula. The numbers in a molecular formula will be whole number multiples of the numbers in an empirical formula. To determine
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The hypothesis If a chemical reaction occurs‚ then there will be indicators of a chemical change‚ was supported throughout this experiment. Throughout this experiment there were several reactions that took place‚ and an indicator of such chemical reactions could be seen throughout each one. The first piece of identifiable evidence was present in the first step‚ which was when copper (II) nitrate and sodium hydroxide were combined. When stirred‚ a blue precipitate formed at the bottom of the test
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Nitric Oxide is a gas that helps your body with the circulation of the blood. It also regulates other functions of the body. Nitric Oxide can also help control blood pressure. It is also especially popular with men in that nitric oxide helps with some cases of erectile dysfunction. Nitric Oxide supplements initially became popular with the bodybuilding community. The improved blood flow helps with the "pump" that bodybuilders are always looking for. Making the blood vessels larger allows for better
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