# Stat analysis questions on the textbook

Anonymous
timer Asked: Feb 1st, 2019
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### Question Description

Please download the zip below and see questions. There are total 4 big simple questions and need you to analysis in Stat.

nkostas
School: Purdue University

Attached.

Running Head: EXPERIMENTAL DESIGNS ASSIGNMENT

Experimental Designs Assignment
Name of the Student
Institution of Affiliation
Date

1

2

EXPERIMENTAL DESIGNS ASSIGNMENT

1. A study is performed on the effect of temperature on the strength of plastic welds. There
are seven different temperatures (140, 150, 160, 170, 180, 190, and 200 ◦C). At each
temperature, five specimens of the plastic material are welded.
a) This study is an experimental study but not observational because it involves a practical
aspect whereby the effects of temperatures 140, 150, 160, 170, 180, 190, and 200 ◦C
are subjected to different plastic weld to tests the strength under different treatments.
b) The response variable is the strength of the plastic welds which is the independent
variable tested under different temperatures.
c) The factor under study is the...

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Anonymous
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