Question 3 5 pts An article on a comparison of two yeast extracts, baker\'s yeas

Question

Question 3 5 pts An article on a comparison of two yeast extracts, baker's yeast and brewer's yeast, was published. Brewer's yeast is a surplus by-product obtained from a brewery hence it is less expensive than primary grown baker's yeast. Samples of both yeast extracts were prepared at four different temperatures (45, 48, 51, 54) in degrees Celsius and the autolysis yield (recorded as a percentage] was measured for each of the yeast-temperature combinations. The goal of the analysis was to investigate the impact of yeast extract and temperature on mean autolysis yield. a) Identify the factors of the experiment: Select ) b) dentfly the levels of the factors: ISelect d) How many treatments are there? ISelect e) What tyoe of experiment is employed? Sekect)

Explanation / Answer

a) The factors of the experiment : types of yeast extract and temperature

b) The levels of the factor : 2 type of yeast and 4 different temperatures

c) Response variable : autolysis yield

d) Number of treatments : 2*4 = 8

e) Type of experiment : Two way ANOVA

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