An experiment to compare five diets is carried out using seven litters of mice, each litter consisting of five pups. Within each litter, pups are randomly assigned to the five diets. Thus every diet is represented in every litter. The weight at age six weeks was compared for the five diets. What type of study is this? D an observational study based on a simple random sample an observational study based on a stratified random sample D an experiment based on a completely randomized design D an experiment based on a randomized block design ) an experiment based on a matched pairs design an observational study based on a multistage random sample

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16. An experiment to compare five diets is carried out using seven litters of mice, each litter consisting of five pups.
Within each litter, pups are randomly assigned to the five diets. Thus every diet is represented in every litter. The
weight at age six weeks was compared for the five diets. What type of study is this?
an observational study based on a simple random sample
an observational study based on a stratified random sample
an experiment based on a completely randomized design
an experiment based on a randomized block design
an experiment based on a matched pairs design
an observational study based on a multistage random sample
Transcribed Image Text:16. An experiment to compare five diets is carried out using seven litters of mice, each litter consisting of five pups. Within each litter, pups are randomly assigned to the five diets. Thus every diet is represented in every litter. The weight at age six weeks was compared for the five diets. What type of study is this? an observational study based on a simple random sample an observational study based on a stratified random sample an experiment based on a completely randomized design an experiment based on a randomized block design an experiment based on a matched pairs design an observational study based on a multistage random sample
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