Summary
In this paper we have discovered the basics of descriptive statistics for statistical data of temperatures in the pots. It was determined which pot has the highest temperature on average and which has the lowest. The basic characteristics of temperature distribution (measures of central tendency and variability) for each section were given. One-sample and Two-sample Student’s t-test were applied to check the difference in AlF3 calculations methods and the amount of cryolite used in manufacturing process. It is appeared, that old and new calculation systems are significantly different from each other. Also, the hypothesis of plant management about Continue reading...