Question: Interactive Statistics ( can you answer a,c & d only ) 3.17 An experiment has been conducted to study the effect of temperature and type

Interactive Statistics ( can you answer a,c & d only )

3.17 An experiment has been conducted to study the effect of temperature and type of oven on the lifetime of a metal clutch component. Four types of ovens and three temperature levels were used in the experiment. Two clutch components were assigned randomly to each com- bination of type of oven and temperature level. (a) Why is this an experiment and not an observational study? (b) Identify the experimental units. C Identify the response variable. d) Identify the factors or explanatory variables and give the number of levels for each factor

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