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AP® Statistics

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APSTAT-ELKLIT

An economist studied the annual returns of $24$ randomly selected stocks over a given year. The stem-and-leaf plot below shows the returns (in percents) on these stocks over the year.

Stem-and-leaf display: returns

*Stem-and-leaf of returns: N = $24$

*Leaf unit = $1.0$
Key: $1 | 3 = 13\%$

$-1| 2$
$-0|$
$-0| 4$
$0 |34$
$0 |677$
$1 |013344$
$1 |5566$
$2 |011$
$2 |79$
$3 |0$
$3 |7$

The mean return of these $24$ stocks is closest to

A

$14\%$

B

$11\%$

C

$17\%$

D

$-12\%$

E

Unable to determine based off the graph.