Determine whether the given value is a statistic or a parameter. 45.000 kg of th

Question

Determine whether the given value is a statistic or a parameter. 45.000 kg of the meat was spoiled. Statistic Parameter Determine whether the given value is from a discrete or continuous data set. The weight of Bill's pack as he sets off on a backpacking trip is 48.3 lb. Discrete Continuous Determine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most appropriate. Ratio Nominal Ordinal Interval Determine whether the given description corresponds to an observational study or an experiment. find out if the drug has an effect on the patients' illness. Experiment Observational study Experiment Identify which of these types of sampling is used: random, stratified, systematic, cluster, convenience. A market researcher selects 500 drivers under 30 years of age and 500 drivers over 30 years of age. 5 A Stratified Cluster Convenience Systematic Random Identify the type of observational study prospective). A researcher plans to obtain data by following those in cancer remission since January of 2005. Prospective Cross-sectional Retrospective None of these

Explanation / Answer

1. As here whole population is inspected it is parameter. as parameter is for population and statistics for sample.

2. weight is continous variable as it takes many value between 2 whole number.

3. Salary is ratio level of measurement

4. In an experimentinvestigators apply treatments to experimental units (people, animals, plots of land, etc.) and then proceed to observe the effect of the treatments on the experimental units.

In an observational studyinvestigators observe subjects and measure variables of interest without assigning treatments to the subjects. The treatment that each subject receives is determined beyond the control of the investigator.

so answer is Experimental studyi

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