Using the data in Exercise I, can you conclude that the pH differs with the amount of gypsum added? Use the a = 0.05 level of significance.
Answer to relevant QuestionsDescribe the difference between a stratified sample and a cluster sample. The scientists referred to in Exercise 1 also considered the effect of gypsum on the electrical conductivity of soil. Two types of soil were treated with three different amounts of gypsum. The results are as follows. a. Can ...Construct and interpret an interaction plot for the data in Exercise 0038. Can it be determined from the ANOVA table whether there are differences in the measured weights among the operators? If so, provide the value of the test statistic and the P-value. If not. explain why not. It turned out that ...The Number of days spent in the hospital was determined for 12 patients who underwent coronary bypass surgery. Can you concluded that the median is less than 5 days? Use the a = 0.01 level of significance.
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