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Null hypothesis, Alternative hypothesis, P value and Z test

Null hypothesis: is the claim being assessed in a hypothesis.  For a claim to be a testable null hypothesis, it must specify a value for some population parameter that can form the basis for assuming a sampling distribution for a test statistic. Alternative hypothesis: The alternative hypothesis proposes what we should conclude if we find…

Enzyme Reactions: Discussion and Results

Table 1. Solution concentrations, volumes and observations for Experiment 1: Observing the enzyme reaction. Test Tube dH20 Potato Extract Catechol Observations 1 5 ml + 500μl —– 500μL Solution turned milky-white to clear. (High substrate) 2 5 ml 500μl 500μl Solution turned yellowish-brown. (High substrate) 3 5 ml + 500μl 500μl —– Solution is clear,…

Earth Sciences Study Guide: Atmospheres

From Figure 4.2, describe the geographic locations where coastal upwelling is important (e.g., “west central and southwestern South America”). Upwelling causes some of the coldest surface temperatures on Earth. The low surface temperatures stabilize the overlying atmosphere, causing cool dry climates (deserts) to dominate the western edge of South America. Upwelling is important where coastlines…

Earth Sciences Study Guide: The Climate System

Through which city does the prime meridian run?             Greenwich, England What are the dates of the solstices and equinoxes?             Summer solstice: June 21 Winter solstice: December 22 Vernal equinox: March 21 Autumnal equinox: September 22 Describe Earth–Sun relationships in terms of orbit, the Sun’s position, tilt and direction of Earth’s axis as it…

Earth Sciences Study Guide: Atmospheric Structure & Composition

Of what two gases was Earth’s first atmosphere primarily composed?             diatomic nitrogen, carbon dioxide What are the percentages of Earth’s three most abundant constant (non-variable) gases in the atmosphere?             nitrogen (78.08%), diatomic oxygen (20.95%), argon (0.93%) What are the variable gas within Earth’s atmosphere?             water vapor, carbon dioxide, methane, hydrogen, nitrous oxide,…

Discoveries in The Tempest & Dead Poets Society

The nature of unexpected discovery entails a journey that is transformative and concerns one’s relationship with one’s self or one’s world. Discoveries can be either sought or serendipitous and can lead to good or bad consequences, but ultimately they are all concerned with the acquisition of greater knowledge and a new perspective. In William Shakespeare’s…

Economics Unit 8 – Globalization: characteristics and trends

18.1 – 8a – globalization: characteristics and trends Globalization – the movement toward a more integrated and interdependent world economy People are buying more foreign products 16.1 – International Trade – absolute and comparative advantage Why nations trade Specialization is an important reason for trade Exports – the goods and services that a nation sells…

Economics Unit 7 – Macroeconomic policy

12.1 – measuring the nation’s output and income Macroeconomics – part of economics that deals with the economy as a whole and uses aggregate measures of output, income, prices, and employment Gross Domestic Product is one of the most important macro measures that keep track of nation’s production, consumption, saving, and investment. GDP – The…

Economics Unit 6 – Money, Banking, and the Fed

Unit 6 – Money, Banking, and the Fed Chapter 14.1 – The evolution, functions, and characteristics of money Federal Reserve System (Fed) – private owned, publicly controlled central bank of the united states Federal reserve note – paper currency issued by the Fed in use today The evolution of money Barter economy – moneyless economy…

Economics Unit 4 – Free enterprise capitalism

Free enterprise capitalism Voluntary exchange Profit motive Economic freedom Private property rights Competition – businesses attract consumers; consumers obtain the best products at lowest prices 7.1 – competition and market structures Laissez-faire – philosophy that government should not interfere with business activities Market structure – nature and degree of competition among firms in the same…