# chapter 1 to 6 homework stat.docx - 1 A is the complete...

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1. A ________ is the complete collection of all measurements or data collected, whereas, a ________ is asubcollection of members selected from the complete collection.
2. The four levels of measurement that are commonly used for classifying data areratio,________,________,and________.
3. Determine which level of measurement is appropriate.
4. Identify the type of sampling that is used in this statement.The name of each contestant is written on a separate card, the cards are placed in a bag, and three names are picked from the bag.
5. When testing a newtreatment,what is the difference between statistical significance and practicalsignificance?Can a treatment have statisticalsignificance,but not practicalsignificance?
6. What does it mean for the findings of a statistical analysis of data to be statisticallysignificant?
7. State whether the data described below are discrete or continuous, and explain why.
8. Determine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most appropriatefor the data below.
9. Identify the level of measurement of the data, and explain what is wrong with the given calculation.
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