# data_analysisi_project_guide_47533

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```							 NAME:                                                                                BLOCK:
DUE DATE - Wed 1/19/11                Grade 8 / Math PROJECT                         DATE:
(see below) Wed 2/16/11

Getting a Grip on Graphing – A Data and Statistics Project

In this project you will be using prices and a survey to analyze data and create two specific graphs about
different brands of the same product (include pictures). Each brand should be the same size.

Part A PRICE LIST – Give prices for 8 or more brands. Find the Range, Mean, Median, and Mode.
PA/pg 39 – 40; Alg 1/pg 875 - 876

Part B BOX and WHISKERS PLOT (all prices) - Find the Five Number Summary and create the Box Plot.
PA/pg 588 – 590; Alg 1/pg 887 - 889

Part C CIRCLE GRAPH (four or more brands) - Survey your product (20 – 30 people) and create a
PA/pg 595; Alg 1/pg 935                                            Circle Graph.

Part D ANALYSIS QUESTIONS
1) Why do you think different brands of the same product have different prices? Explain
2) The Box Plot contains numerical data and the Circle Graph contains categorical data. Explain

RUBRIC                   4 points             3 points              2 points                 1 point
pictures included;
Appearance            exceptionally       colorful and neat     colorful but could          poorly done
colorful and neat                               be neater
correctly finds
Price List            range, mean,           one part is          two parts are          three parts are
median and mode             incorrect             incorrect               incorrect
Five Number
Box and               Summary and             one part is          two parts are          three parts are
Whiskers Plot       Box Plot is correct         incorrect             incorrect               incorrect
correctly shows
Circle Graph             Survey and            one part is          two parts are          three parts are
Circle Graph            incorrect             incorrect               incorrect
correctly
Analysis Questions       answered and            one part is          two parts are          three parts are
explained             incorrect             incorrect               incorrect

SCORE          ______________ / ______________ = ______________