Answer:
Q3=78.75
Step-by-step explanation:
Formula:
Qk=k(n+1)/4;k=3,n=8
Q3=3(8+1)/4
Q3=3(9)/4
Q3=27/4
Q3=6.75th
6.75th is the Measure of position
Using LI
*80-75=5
*5×0.75=3.75
*75+3.75=78.75
Therefore, The 3rd Quartile of the Given following data is 78.75
additional Explanation:
I didn't round off the decimal part in the measure of position where it is 6.75, I Just remain it from the solvation I've learned.
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