Your firmis having a quality problem with the production of plastic automotive parts: There are too many
Question:
a. Find the correlation of the defect rate with the temperature variability.
b. Find the correlation of the defect rate with stoppages.
c. Which possible cause, temperature variability or stoppages, accounts for more of the variation in defect rate from day to day? How do you know?
d. Test each of these correlations for statistical significance.
e. Draw a scatterplot of defect rate against stoppages. Write a brief paragraph interpreting the scatterplot and correlation.
f. Draw a scatterplot of defect rate against temperature variability. Write a brief paragraph interpreting the scatterplot and correlation.
g. Write a paragraph summarizing what you have learned and proposing a plan for action.
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