For the given stem and leaf plot, find:

a) The range
b) The mode
c) The median
d) The mean
e) What was the lowest score?

This back-to-back stem-and-leaf plot shows the weight, in kg, of boys and girls in an Year 10 class

a) Which is the only weight that was found to be same for one of the boys and one of the girls?
b) Are the number of boys less than, equal to or greater than the number of girls?
c) What is the outlier weight for the girls?
d) Which set of weights has the greater range?
e) What is the difference between the maximum weight of a boy and minimum weight of a girl?
f) What is the difference between the average weight of boys and girls, correct to one decimal?

The results for a writing task for 13 girls and 13 boys are:
\begin{array}{r|c|l}
\hline
\text{Boys }&&\text{ Girls}\\
\hline&3&4\,5\,7\\
\hline3&4&1\,5\,8\,8\\
\hline 8\,6\,6\,2&5&5\,5\,7\,9\\
\hline 7\,2\,2\,0\,0&6&0\,9\\
\hline 8\,8\,5&7&\\
\hline
\end{array}

a) Who scored the highest mark, a girl or a boy?
b) What is the median for boys?
c) What is the median for girls?
d) What percentage of boys scored more than 70?.
e) What percentage of girls scored more than 50?
f) Find the mean mark for boys correct to one decimal place

The given dot plot data shows the daily minimum temperature in some city during June. Calculate the number of days with the temperature of 19 deg C

The resting pulse rates were recorded for 16 boys in gym class before they exercised. The following dot plot shows the results.

a. What is the range of the pulse rates?
b. How many boys had a pulse rate over 81?
c. How many boys had a pulse rate of 83?
d. How many boys had a pulse rate of at most 82?
e. Are there any outliers in this data?

The height’s of 20 basketball players, in inches, are given below.

\[\begin{array}{ | c | c | c | c | c | c | c| c | c | c |}\hline 68 & 70 & 70 & 71 & 75 & 80& 81& 82& 84& 75 \\ \hline 75& 80& 75& 77& 75& 80& 83& 80& 71& 70 \\ \hline \end{array}\] Make a dot plot and answer the following:
a. What is the spread (range) of the data?
b. What is the mode of the data?
c. How many players have height less than 80 inches?
d. How many players are greater than 70 inches tall?
e. Are there any outliers in this data?