PPT-Dependent and Independent Variables

Lesson 707 After completing this lesson you will be able to say I can use variables to represent quantities that have a relationship I can show the relationship between two variables using tables and equations. Data Analysis & Computers II. Slide . 1. Multiple Regression – Basic Relationships. Purpose of multiple regression. Different types of multiple regression. Standard multiple regression. Hierarchical multiple regression. Monday 8/24/2015. What are the steps (in order) of the scientific method?. Where do you think applying . independent and dependent variables . would fall in the scientific method?. Have your homework out to be stamped!. . 11/01. 1) a) What axis is the dependent variable on? . b) What axis is the independent variable on?. 2) If you were given a table, how would you know what was the independent variable. 3) What should be at the top of every graph? (how do you write this?. Step 3: Form a Hypothesis. Hypothesis. - a . testable explanation. of an observation.. A hypothesis is . NOT just an educated guess. about what you think will happen. It must be able to be tested! . When the two samples are correlated (i.e. not independent). 1. KNR 445. Statistics. Dependent t. Slide . 2. Dependent? What’s that?. Well, not independent…2 ways…. Same individuals measured twice (known as . Using Variables . Created by Marcie Griffith 2012. Research questions are are framed around the possible relationship between an . independent. and . dependent. variable. . Independent Variable. Variable I will manipulate (change) in the experiment. What does it mean for something to . vary. ?. What does the word . dependent . mean?. Imagine you are creating an experiment to test your hypothesis that tomatoes grow better with fertilizer. What are some steps you would take?. i. ndependent variable?. d. ependent variable?. c. onstants?. Sara and Reggie wanted to perform an experiment. They decided to see if certain kinds of music would cause a person’s heart rate to increase. They had one group of students listen to rap music, one group listened to hard rock, and the third group listened to classical music. – (15 – 3.2) = . a. (5. 2. – 13).. Pass Back Quizzes. Go Pick up your binder. . ****(YOU NEED ONE TO STAY IN THIS CLASS!). In your binder:. Star Testing Results. Chapter 1 Assessment Log. Week 1 Homework Log. Saeed is getting ready for a hike. The number of hours he expects to be gone will affect how many snacks Saeed packs.. h = the number of hours Saeed expects to be gone. s = the number of snacks Saeed packs. The organized procedure used to study an aspect of the natural world under controlled conditions. Experimental Design. Testable Question. Research. Hypothesis. Materials/Procedure. Data Collection. Data Analysis. ! It’s a secret….. You will have to tell me what the point of the lesson is when we are finished.. Observation. I noticed that girls throw farther than boys.. Question. Do girls throw farther than boys?. Tamara Helfer 2012 Sequoia Science ExplorationsWhat is a variableA variable is something that can CHANGETestable Questions have two partsAn independent variableA dependent variableWhat is anIndependen Usually the “If” part of your hypothesis. What you test or change in your investigation. Found on the X-axis. Dependent variable. Usually then “Then” part of your hypothesis. What you are measuring.