In a large set of data that are approximately normally distributed,

• $r$ is the value in the data set that has a $z$-score of $-$1.00,
• $s$ is the value of the first quartile, and
• $t$ is the value of the 20th percentile.

Which of the following is the correct order from least to greatest for the values of $r$, $s$, and $t$ ?

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The first quartile is the 25th percentile.

A $z$-score of $-$1.00 corresponds to the 15.87th percentile.

The lower the percentile, the lower its corresponding value.