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An investigator has a file showing family incomes for 1000 subjects in a certain study. These range from $6,000 a year to 90,000 a year. By accident, the highest income in the file gets changed to $900,000. Does this affect the average

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hafsaabdulhai

Answer:

Yes it does

Step-by-step explanation:

The average is shifted to higher side if higher number is present in a data set.

suppose the following set of data

20, 40 , 60, 100

avergae of data= (20+40+60+100)/ 4 = 55

now suppose following set of data

20,40,60,1000

average of data= (20+40+60+1000)/4= 280

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