Clive surveyed a random sample of underclassmen and seniors in his school about which change they would most like to see in this year's edition of the
school yearbook. The data Clive gathered was used to create the given table.
Fill in the missing values of the frequency table, and complete the statement
|
More Color
Photos
More Candid
Pictures
Lower Price
Total
Underclassmen
L
COLO
02
oooo
LE
It can be concluded that
% of the seniors would prefer to se
candid pictures in this year's edition of the yearbook
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[tex]\begin{center}\begin{tabular}{ c c c c c } - & more colored photos & more candid. pics & lower price & total \\ Underclassmen & 10& 18 & 27 & 55\\ Seniors & 4 & x & 9 & y \\Total & 14 & 30 & 36 & 80\end{tabular}\end{center}[/tex]

In the column of more candid. pics, the total is 30.

Thus we conclude that 18 + x = 30

or that x = 12

Now in the last column of total, there is y in the second row.

Since 4 + x + 9 = y and that x = 12

Thus we have:

4 + 12 + 9 = y

25 = y

Percentage of the seniors preferring to see candid pictures is calculated as:

[tex]= \dfrac{x}{y}\times100 \: percent\\\\= \dfrac{12}{25} \times 100\\\\= 48 \: percent[/tex]

Thus there are 48% of the seniors who'd prefer to see candid pictures in this year's edition of the yearbook.

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