STAT 375- ANOVA Name Please read your answers in the s provided. all questions e
ID: 3172688 • Letter: S
Question
STAT 375- ANOVA Name Please read your answers in the s provided. all questions earefullv before answering them and write that there are tables and a Remember to put your name at the top of each page and note formula sheet provided in the folder. May the force be with you. l. We have mentioned several graphical methods for checking our assumptions. For each graph below indicate name (2) the typically checks (3) conclusion about the assumption assumption it plot of Brittleness versus Temperature Plot of Residuals 2. You are analyzing the data for a client and get the following (partial) ANOVA table. One-way ANOVA: Y versus Factor A Source DF Adj SS Adj MS value Value Factor 6 xxxxx xxxxx 1.63 0.176 Error 28 xxxxx xxxxx Total xx xxxxx How many groups were involved? Could the sample size for each group be the same, why? What can you conclude about the factors used in the experiment? Exam#1 Spring 2017Explanation / Answer
Result: Multiple questions.
Q1 and Q2 answered.
1).
a).
Normal curve plot.
Assumption for normality.
The plot shows that data do not follows normal distribution.
b).
Box and whisker plot.
Assumption for equal variance and outlier
The plot shows that data do not have equal variance and no outlier. .
2).
Groups involved = 6+1=7
Total sample size is 35.
There is no information about the sample size for each factor.
If we assume equal sample size then sample size for each factor is 5.
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