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Homework
Kai Montpetit .
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Q2 - Merits
This table shows the number of merits received one week by two year groups at Dunwell School.
Find the mean number of merits received by the year 10 students and the year 11 students. Round your answer to 1 d.p.
Year 10 students: 
◻ merits
Year 11 students: 
◻ merits
[4]
[4]
Who did better on average?
Year 10 
◻
Year 11 
◻ [1]







Number


of merits







Number


of year 10


students







Number


of year 11


students






0
9
3


1
13
4


2
22
9


3
23
11


4
22
21


5
17
19


6
2
2




Total
They did
5
equally well 
◻

Homework\newlineKai Montpetit .\newlineSave\newlineQ22 - Merits\newlineThis table shows the number of merits received one week by two year groups at Dunwell School.\newlineFind the mean number of merits received by the year 1010 students and the year 1111 students. Round your answer to 11 d.p.\newlineYear 1010 students: \square merits\newlineYear 1111 students: \square merits\newline[44]\newline[44]\newlineWho did better on average?\newlineYear 1010 \square \newlineYear 1111 \square [11]\newline\begin{tabular}{|c|c|c|}\newline\hline \begin{tabular}{l} \newlineNumber \\\newlineof merits\newline\end{tabular} & \begin{tabular}{l} \newlineNumber \\\newlineof year 1010 \\\newlinestudents\newline\end{tabular} & \begin{tabular}{l} \newlineNumber \\\newlineof year 1111 \\\newlinestudents\newline\end{tabular} \\\newline\hline 00 & 99 & 33 \\\newline11 & 1313 & 44 \\\newline22 & 2222 & 99 \\\newline33 & 2323 & 1111 \\\newline44 & 2222 & 2121 \\\newline55 & 1717 & 1919 \\\newline66 & 22 & 22 \\\newline\hline\newline\end{tabular}\newlineTotal\newlineThey did\newline55\newlineequally well \square

Full solution

Q. Homework\newlineKai Montpetit .\newlineSave\newlineQ22 - Merits\newlineThis table shows the number of merits received one week by two year groups at Dunwell School.\newlineFind the mean number of merits received by the year 1010 students and the year 1111 students. Round your answer to 11 d.p.\newlineYear 1010 students: \square merits\newlineYear 1111 students: \square merits\newline[44]\newline[44]\newlineWho did better on average?\newlineYear 1010 \square \newlineYear 1111 \square [11]\newline\begin{tabular}{|c|c|c|}\newline\hline \begin{tabular}{l} \newlineNumber \\\newlineof merits\newline\end{tabular} & \begin{tabular}{l} \newlineNumber \\\newlineof year 1010 \\\newlinestudents\newline\end{tabular} & \begin{tabular}{l} \newlineNumber \\\newlineof year 1111 \\\newlinestudents\newline\end{tabular} \\\newline\hline 00 & 99 & 33 \\\newline11 & 1313 & 44 \\\newline22 & 2222 & 99 \\\newline33 & 2323 & 1111 \\\newline44 & 2222 & 2121 \\\newline55 & 1717 & 1919 \\\newline66 & 22 & 22 \\\newline\hline\newline\end{tabular}\newlineTotal\newlineThey did\newline55\newlineequally well \square
  1. List weights: List the weights from the stem and leaf plot: 23,30,39,42,42,43,48,52,57,6323, 30, 39, 42, 42, 43, 48, 52, 57, 63.
  2. Identify weight range: Identify weights at least 3838 pounds but less than 5050 pounds: 3939, 4242, 4242, 4343, 4848.
  3. Count children: Count the number of children in the identified weight range: There are 55 children.

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