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Briefly describe your experiment. You must have a valid and ethical experiment (NOT an observational study) and/or question. Discuss how the experiment can be done-it needs to be realistic and ethical. Appropriately use vocabulary that only applies to an experiment and not an observational study.
When a fisherman catches a fish, it is a young one with a probability of 0.23 and is returned to the water. On the other hand, an adult fish is kept to be eaten later.
Create a 90% confidence interval for proportion of all kernels that would not pop.
A university found that 20 percent of its students withdraw without completing the introductory statistics. Assume that 20 students registered for the course.
Construct a 99% confidence interval estimate of the population proportion of accounts that would purchase the additional line if the handset were free.
For its validity, all hypothesis testing depends heavily on the assumption that the sample that is used was drawn using probability sampling techniques.
Construct a grouped frequency distribution using six classes.
WHich sampling method from the choices listed above would be best? Describe how you would carry out your chosen sampling method of a student from part (a)
Consider a problem where we two products: Product A (cloth bags) and product B (leather bags). Each unit of Product A that is sold produces $30 in profit and each unit of Product B that is sold produces $50 in profit.
Results of study are summarized below. Use a 5% level of significance and test claim that opinion is independent of brand.
An experiment ws designed to estimate the mean difference in weight gain for pigs fed ration A as compared with those fed ration B. Eight pairs of pigs were used. The pigs within each pair were littermates.
Looking for a good original (yet cited) response to this definition. And if you can describe two common ones with an example for each that would be great.
Compute a 5-month moving average forecast for June through January.
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