Unit 3 Graphs

Question 1

What is the goal of any graphs/tables?

Answer 1

CLEARLY, ACCURATELY, and SUCCINCTLY represent large amounts of data

Question 2

qualitative data

Answer 2

qualitative data- non-numerical, categorial.not measurable information, usually desriptive info such as eye color, letter grade, race, ountry job, etc, some types of graphs are bar graphs, frequency tables and pie charts

Question 3

quantitative data

Answer 3

measurable/numerical values, usually are representing specific numbers, used for stat analysis and math alculations, examples include percent grade, distance, some types of graphs are histogram, line/time graph and scatterplots

Question 4

how can graphs be misleading

Answer 4

uneven scaling, excessive zooming in/out of graph, manipulating size by using bars of different widths, using 3d graphs/setors to distort relationships, or missing info by not showing the whole picture, relating unrelated things, missing context

Question 5

scatterplot

Answer 5

Scatterplots are used to compare
quantitative data and used to determine when/if two variables have a direct correlation.

Question 6

line graph

Answer 6

variables in this graph are quantitative, looking to measure a continuous variable
looking for trends in data across a period

Question 7

pie chart

Answer 7

used to compare percentages and qualitative data

Question 8

bar graph

Answer 8

used to measure multiple values in categories to display changes over time, measure qualitative data

Question 10

histogram

Answer 10

measure the frequency of a quantitative/measurable variable In
separating these individual temperatures into ranges of data, USE A FREQUENCY TABLE