Histograms and Stem-and-Leaf Plots
Unlock all 8 questions & worked solutions
You're viewing a free preview. Create an account to access the complete question set, step-by-step solutions, and progress tracking.
All Questions
Access the full question set for every topic.
Worked Solutions
Step-by-step explanations for every answer.
Track Progress
Mark questions right or wrong and monitor your growth.
It's Free
No credit card required - sign up in under a minute.
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
📚 Want More Questions?
There are 7 more questions available. Create your free account to access the complete question set with detailed solutions.