l T-Mobile LTE 10:01 PM 76% a cluster7-files.instructure.com C 1 of 4 Namec MTH

Question

l T-Mobile LTE 10:01 PM 76% a cluster7-files.instructure.com C 1 of 4 Namec MTH 139 Chapter 1 Practice Problems For problems 1-3, determine the sample and the population 1. Astudy of 900 students at Moraine Valey finds 56% have trouble finding parking. 2. 456 sudents from community colleges are surveyed about parking issues 3. 36 samples are taken from random spots on a lake to measure mercury levels For problems 4-7, determine if each of the following variables is categorical or numerical 4. Age 5. Student ID 6. Method of Transportation . Marital Status 8. The table given is unstacked. Create a new table which displays the same data in 9. Use the two way table to answer the folowing questions a. How many employees were

Explanation / Answer

1)

Sample is the 900 students at moraine valley
Population would be all the students of the moraine valley

2)
456 students is the sample size
and all students of the community college would be the population size

3)

36 samples are actually the sample size

and mercury levels at all spots of the lake would be the population size

4)
Age is numerical as it is measured on a numeric scale
studeid would be a numerical value , as it is measured on a number scale

method of transportation is categorical , as it only take values that can be quantified
eg train , car , bus etc

Please note we can answer only 4 subparts of a question at a time , as per the answering guidelines

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