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- 1. Multiple ChoiceTrue or False: all samples lead to a good prediction about an entire population.TrueFalse
- 2. Multiple ChoiceMrs. Boyd wants to find the average height of all her students in her classes. She decides to use the first 5 people who walk in the door. Is this a good representative sample?YesNo
- 3. Multiple ChoiceUnbiased sampling is:when you choose the group you think will represent the samplewhen any member of the population is equally likely to be chosen for the sample
- 4. Multiple ChoiceBiased sampling iswhen you choose a population that is more likely to give you the result you wantwhen you choose a group that is equally likely to be chosen
- 5. Multiple ChoiceBryce experimented with 7 exercises from each class offered at his gym. Each class has an equal number of exercises.
Is this sample of the exercises at the gym likely to be biased?YesNo - 6. Multiple ChoiceDevon polled 642 drivers late on a Friday night.
Is this a random sample of the drivers in the city?Yes because this represents all the drivers in the city well.No, because this only represents people late on a friday night - 7. Multiple ChoiceSadie researched 2 downtown districts throughout each county in her state. Each county has an equal number of downtown districts.
Is this sample of the downtown districts in the state likely to be biased?YesNo - 8. Multiple ChoiceThe population describes:The group of people being studiedpart of the group being surveyedthe whole worldthe school
- 9. Multiple ChoiceIdentify the Population:
Paulding County School System randomly selected 230 teachers to find out which technology resource is the most effective.230 TeachersAll teachers in Paulding CountyStudentsPaulding County Schools (teachers & students) - 10. Multiple ChoiceIdentify the Sample:
A restaurant wants to know if customers buy dessert when they eat out. As people leave the restaurant one evening, 20 people are surveyed at random. Eight people say they usually order dessert when they eat out. The restaurant concluded that most customers do not order dessert.20 customersAll customers8 customersDessert - 11. Multiple ChoiceThe population describes:The group of people, objects or events being surveyedpart of the group being surveyedthe whole worldthe school
- 12. Multiple ChoiceA school randomly chose ten English teachers and asked them which type of juice their students would prefer. Which reason best shows why this sample is biased?The sample didn't include students.The sample is too small.The sample can only be accurate if each teacher is included in the sample
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