NATS 1740 Study Guide - Midterm Guide: Asteroid Family

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2 Aug 2017

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NATS 1740 Full Course Notes

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Familiarize yourself with how this internet course will run. The first astronomy lesson of the course will introduce you to the general study of astronomy as encompassing the entire universe", in space and time. You will also be introduced to the general concepts of scales of sizes, distances, time, and motion in our universe. Exploring such vast scales will help to give you an overview of our own place in the context of the universe, both in space and time: scientific notation, scales of sizes and distances in the universe. Studying the scales of sizes, distances and time will help to provide a proper frame of reference for you as the. Chapter 1: our place in the universe (pages 1-21) Important notes for all readings: make sure you view all of the interactive. Figures in the readings: you can omit all. We will describe both qualitatively and quantitatively.

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Dieting is common in our society and everyone wants a piece of the action. So many diets are available to choose from if someone wants to change their health; e.g., lose weight. Often times, diets are promoted with claims of great success.

For the purposes of this assignment, you are to choose a particular diet and analyze it in terms of scientific evidence, or lack thereof. Then, you are to design a controlled experiment to test a hypothesis based on this diet. The experiment must include multiple individuals within a control and experimental group. You must specify how you will measure the outcome of the experiment identifying both the independent and dependent variables. You must describe the potential outcomes of the experiment in terms of supporting the hypothesis.

alfredmalome33

4. In this question, you will be shown a snippet of code. You will then be shown the output from either the compiler or the Java virtual machine and be asked what the error is and how to fix it. In each case, your answer should include the line number of the problem, a one or two sentence explanation as to why the issue occurs, and a specific fix for the problem. Your fix should mention the exact line or lines of code you'd add/change/delete. Total for this question (5 parts): (15 points) (a) Consider the following class: import java.util.Scanner; public class Hockeystandings //This method should calculate the percentage of games in which the team lost. public static double computePercentageLosses (int numwins, int numLosses) return numLosses/ (numwins + numLosses) * 100; public static void main(String[] args) { Scanner reader - new Scanner (System.in); System.out.println("Enter the number of wins for the Maple Leafs"); int numLeafwins = reader.nextInt (); System.out.println("Enter the number of losses for the Maple Leafs"); int numLeaflosses-reader.nextInt (); System.out.println("Enter the number of wins for the Canadiens"); int numCanadienswins – reader.nextInt (); System.out.println("Enter the number of losses for the Canadiens"); int numCanadienslosses = reader.nextInt (); double mapleLeafs Record - computePercentage Losses (numLeafwins, numLeaf Losses); double canadienskecord - computePercentage Losses (numCanadienswins, nuCanadienslos305): if (canadiens Record > mapleleafsRecord) { System.out.println("Of course the Leafs did worse."); else { System.out.println("Wow, that hasn't happened for a long time!"); The point of the program is to ask the user to enter numbers representing the wins and losses of the Maple Leafs and Canadiens in a season. The code compiles successfully and when you run the program, you enter the values: 2 80 40 42 into the keyboard. You expect that the program will output the message Of course the Leafs did worse since they had fewer wins. However, to your surprise, the output of the program is: Wow, that hasn't happened for a long time! Why is this the case and fix the error?

59. Line 7 (A) System.out.print("null"); } } (B) System.out.print("*"); } } (C) System.out.print("\n"); } } (D) System.out.print(""); } } (E) System.out.print(" "); } } Coding Question - Sum square difference Write a method called sumSqDiff that takes an input an integer upperBound and returns the difference between the square of the sum and the sum of the squares of all natural numbers, up to and including that bound. For example, if the upperBound is 10, your method should compute the following: 102 (1) (1+2+3+...+10)2 – (12 +22 +32 +...+102) Use the 6 following questions to "write" your code. Pay close attention to how your answers group together with each other.

NATS 1740 Study Guide - Midterm Guide: Asteroid Family

NATS 1740 Full Course Notes

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