Our recent look at preparation times for Dalgona coffee produced data that lent itself to 2ᵏ analysis. However, a closer look at the collected data indicated that with a single extra trial we could compare the variation explained by instant coffee type and beater type.
Tag Archives: statistics
2ᵏ Analysis of Dalgona Coffee Preparation Time
Our recent investigation into the preparation time of Dalgona whipped coffee left us with a pile of timing data. Some of that data happened to be compatible with 2ᵏ factorial experimental design. So, why not complete the analysis and see what we find?
Taking Salt with a Grain of Statistics
While investigating the differences in kosher salt brands, it was observed that two boxes of the same brand had surprisingly different densities. But were those differences statistically significant?