The cell theory was developed based upon the research done by many scientists over many years. Which of the following statements is NOT a part of the modern cell theory? A Cells are the basic units of life.
B All organisms are composed of cells.
C All cells are microscopic.
D All cells come from pre-existing cells.

Aresearcher created three groups based on participants bmi: normal weight, overweight and obese. the hypothesis being tested is that the three groups differ in the mean number of artificially sweetened drinks consumed weekly. which statistical test might the researcher use, assuming a reasonably normal distribution of values.