KAP Grade 6 Statistics and Probability. Practice it free.

Five test scores are $70$, $78$, $84$, $90$, and $96$. One score is removed from the data set, but which score was removed is not stated. How does this affect the mean?

Find the range of 10, 3, 15, 6.

A shipping clerk weighed $14$ packages. The frequency table shows each weight and how many packages had that weight.
$\begin{array}{c|c} \text{Weight (lb)} & \text{Number of packages} \\ \hline 2 & 3 \\ 7 & 2 \\ 12 & 5 \\ 17 & 2 \\ 22 & 2 \end{array}$

What is the median package weight?

A class answered the statistical question "How many pages did you read this week?" The answers were $12, 15, 15, 18, 20, 15$. How many students were interviewed?

A student is writing questions about pets. Which of these is a statistical question?

Seven test scores are $70\textsf{,}$ $75\textsf{,}$ $88\textsf{,}$ $85\textsf{,}$ $90\textsf{,}$ $65\textsf{,}$ and $87\textsf{.}$ What is the mean score?

The distances, in miles, run on seven days are $14\textsf{,}$ $6\textsf{,}$ $20\textsf{,}$ $9\textsf{,}$ $11\textsf{,}$ $18\textsf{,}$ and $6\textsf{.}$ What is the median distance?

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?