STAAR Grade 7 Data Analysis, Personal Financial Literacy, and Probability. Practice it free.

What is a $15\%$ tip on a $\text{\char36}200$ bill?

$27$ is $45\%$ of a number. What is the number?

Find the simple interest on $\text{\char36}200$ at $5\%$ per year for $2$ years.

The table shows quiz grades for a class of students. What percent of the students earned an A?
$\begin{array}{l|c} \text{Grade} & \text{Number of students} \\ \hline \text{A} & 12 \\ \text{B} & 18 \\ \text{C} & 10 \\ \text{D} & 10 \end{array}$

A basketball player recorded points scored in each of $16$ games. The frequency table shows the results.
$\begin{array}{c|c} \text{Points scored} & \text{Number of games} \\ \hline 18 & 2 \\ 21 & 3 \\ 24 & 4 \\ 27 & 4 \\ 30 & 3 \end{array}$

What is the mean number of points scored per game?

A weather station records five daily rainfall amounts, in inches: $1$, $2$, $3$, $4$, and $5$. The lowest amount, $1$ inch, is removed from the data set. How does this affect the mean?

The ages, in years, of seven students are $10\textsf{,}$ $16\textsf{,}$ $14\textsf{,}$ $8\textsf{,}$ $13\textsf{,}$ $15\textsf{,}$ and $8\textsf{.}$ What is the mean age?

Find the range of 4, 9, 2, 7.