BADM 211 Exam 1 Review Questions With Correct Answers

BADM /




211
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Exam
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1 Review Questions With Correct Answers
// // // // //




What /
/if /


/you /


/multiple /


/an /


/integer //with //a //string? //please //choose //the //outcome //for //Name2 //of //the //following //example



:Name //= //"Zilong"

Name2 //= //3 //*Name //- //CORRECT //ANSWERS(S)✔✔ZilongZilongZilong



What //is //the //object/variable //type //of //the //following //variable //X?

X //= //"1.0" //- //CORRECT //ANSWERS(S)✔✔Float



In //python //list //indices //start //with //number //- //CORRECT //ANSWERS(S)✔✔0



Consider //the //following //function:

def //sum_function(x=1, //y=2): //

sum=x+y

return(sum)

What //is //a //proper //way //to //call //this //function? //- //CORRECT //ANSWERS(S)✔✔sum_function()

,What /
/is //an //argument //in //function? //Is //it //mandatory? //- //CORRECT //ANSWERS(S)✔✔Input, //optional




How /
/to /


/check /


/the /


/first /


/10 //rows //for //a //data //set //called //"df" //in //Pandas. //- //CORRECT //ANSWERS(S)✔✔df.head(10)




How /
/to /


/quickly /


/check /


/the /


/number /


/of /


/column /


/and //rows //for //a //data //set //called //"df" //in //Pandas. //- //CORRECT //ANSWERS(S)✔✔df.shape




How /
/to /


/obtain /


/the /


/summary /


/statistic //of //all //variable //in //dataset //"df". //- //CORRECT //ANSWERS(S)✔✔df.describe()




How /
/do /


/you /


/load //


a/
/csv /


/into //

, a/
/DataFrame /


/in //pandas? //(import //pandas //as //pd) //- //CORRECT //ANSWERS(S)✔✔pd.read_csv('my.csv')




How /
/do /


/you /


/output //the //first //5 //rows //of //a //pandas //DataFrame //df? //- //CORRECT //ANSWERS(S)✔✔df.print()




How /
/to /


/select //"CustomerType" /


/column //from //hotel_df //DataFrame? //- //CORRECT //ANSWERS(S)✔✔hotel_df["CustomerType"]




How /
/to /


/select /


/booking /


/orders /


/with /


/ADR /


/(average /


/daily /


/price) /


/greater /


/than /


/100 //for //hotel_df //DataFrame? //- //CORRECT //ANSWERS(S)✔✔hotel_df[hotel_df["ADR"]>100]




How /
/to /


/select //"Adults" /


/and //"Children" /


/columns //from //hotel_df //set? //- //CORRECT //ANSWERS(S)✔✔hotel_df[["Adults", //"Children"]]