Question

giving the following set of number, what is the mean (average)? 10 12 2 which of these is a quantitative observation? * the starfish is 8 cm long the starfish is yellow the starfish smells bad the starfish is moving from the germ theory investigation, choose one of the two additional case studies. state who the scientist is, the disease they studied and their experiment.

Explanation:

Mean is calculated by summing values and dividing by count. Quantitative observations involve numerical measurements. Germ Theory scientists include Koch with tuberculosis research.

Answer:

8
A. The starfish is 8 cm long
Robert Koch; tuberculosis; isolated Mycobacterium tuberculosis, grew it in pure culture, and demonstrated it causes disease in healthy animals (Koch's postulates).