Unit 1 Homework 2 Key.

Question 1

which variable should always be placed on the x axis

Answer 1

independent variable

Question 2

which variable should always be placed on the y axis

Answer 2

dependent variable

Question 3

if you are making a graph and the independent variable is differing groups or categories (like the colors of cars, or types of dogs) which kind of graph should you use?

Answer 3

bar graph

Question 4

if you are making a graph an independent variable is continuous numbers (like temperature readings on a thermometer) which kind of graph should you use?

Answer 4

line graph

Question 5

jack wants to test the effect of different designs on the strength of his Lego bridges. he wants to test three different Lego bridge designs. Jack decides to build five bridges of each design. what is the sample size of his experiment?

Answer 5

5

Question 6

Jack wants to test the effect of different designs on the strength of his Lego bridges he wants to test three different Lego bridge designs what is the independent variable in this experiment

Answer 6

bridge design

Question 7

jack wants to test the effect of different design on the strength of his lego bridges. he wants to test 3 different lego bridge designs. what would be a constant in this experiment

Answer 7

legos were used to build the bridges

Question 8

when creating a graph what needs to always be included 
title
labeled axis
units
constant scale on each axis 
All of the above

Answer 8

all of the above