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The mayor of Statville has to decide how to allocate her education budget between the two high schools in town, "Stat Sticks" and "Datum High." To decide which school deserves a bigger portion of the budget, she went over the grade sheets of the students from both schools in the past 555 years, and analyzed the data. What type of a statistical study did the mayor use?

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okpalawalter8

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Answer:

the method used is observational study.

Step-by-step explanation:

In order to understand this answer there are some concept we need to  understand and they are

A sample study is carried out in order to estimate a certain parameter of a population while an observational studies and experimental studies are carried out to compare two parameters of a population.

Now looking at study carried out by the mayor we see that the study was designed to check the connection between each high school and the grade average of the student there.Hence the mayor is looking for comparison,which means this isn't a sample study.Secondly, looking at a study which is an experiment,one parameter of the population is actively changed to see the effect on the other parameter.For this study to be experiment,the mayor should have assigned students actively between the two schools ,instead of letting the students choose.Therefore ,this is an observational study    

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Answer:

Step-by-step explanation:

Answer the second.  !!!!!!

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