Stem-and-Leaf Plots

The following data points represent the diagonal length (in centimeters) of each television at Electronic Emporium.

\(55,27,56,24,41,42,60,65\)

Using the data, create a histogram.

1. Below is the number of pages in each of the six books that Pedro read this summer.
   

   \( \begin{aligned} &584,201,255 \\ &44,312,334\ \end{aligned} \)

   Using the data, create a histogram.
   

   
   

2. The following data points represent the number of guests at Hunter's Ribeye BBQ House each day since they opened.
   

   \(96,279,255,254,75,211,271,291\)

   Using the data, create a histogram.
   

   
   

3. Below are the lengths (in meters) of Luiza's eight drives from the last time that she played golf.
   

   \(\begin{aligned} &213,147,156,177 \\ &130,23,78,184 \end{aligned}\)

   Using the data, create a histogram.
   

   
   

4. The following data points represent how many houses Gregg the Garbage Man visited each day last week.

   \(12,28,33,37,23,14,9\)

   Using the data, create a histogram.
   

   
   

1. 
   

   How many vehicles are at Nam's Gas Station?

   _____ vehicles

2. 
   

   How many cherry pies have 90 or more cherries?

   ______ pies

3. 
   

   How many more houses have an area between 150 and \(200 \mathrm{~m}^{2}\) than between 250 and \(300 \mathrm{~m}^{2}\)?

   _____ houses

4. 
   

   How many festivals were there?

   _____ festivals

1. There are \(\mathrm{23}\) vehicles at Nam's Gas Station.
2. There are \(\mathrm{7}\) cherry pies with 90 or more cherries.
   
3. There are \(\mathrm{8}\) more houses with an area between 150 and 200 m² than between 250 and 300 m².
   
4. There were \(\mathrm{15}\) festivals.
   

1. A statistician for a chain of department stores created the following stem-and-leaf plot showing the number of pairs of glasses at each of the stores:

\( \begin{array}{|l|lllllll}

0 & 9 & & & & & \\

1 & 3 & 6 & 6 & 8 & & \\

2 & 1 & 2 & 3 & 5 & 6 & 9 \\

3 & 0 & & & & & \\

4 & 1 & 2 & 3 & 3 & 5 & 7

\end{array} \)

Key: \(4 \mid 1=41\) pairs of glasses

How many department stores have fewer than 38 pairs of glasses?

______ department stores

2. A zookeeper published the following stem-and-leaf plot showing the number of bears at each major zoo in the country:

\(

\begin{array}{|l|llllll}

0 & & & & & & \\

1 & 8 & 8 & & & & \\

2 & 1 & 3 & 6 & 6 & 7 & 7 \\

3 & 1 & 7 & & & & \\

4 & 1 & 4 & 5 & 7 & & \\

5 & 0 & 3 & & & &

\end{array}

\)

Key: \(4 \mid 1=41\) bears

How many zoos have exactly 16 bears?

_____ zoos

3. A zookeeper published the following stem-and-leaf plot showing the number of lizards at each major zoo in the country:

\(

\begin{aligned}

&\left|\begin{array}{c|ccccc}

0 \\

1 \\

2 & 0 & 6 & 8 & 8 & 8 \\

3 & 0 & 2 & 6 & 6 & 7 \\

4 & 1 & 2 & 6 & 6 & \\

5 & & & & & \\

6

\end{array}\right| \\

&\text { Key: } 4 \mid 1=41 \text { lizards }

\end{aligned}

\)

What was the smallest number of lizards at any one zoo?

_____ lizards

4. The regional manager of a chain of department stores created the following stem-and-leaf plot showing the number of pairs of boots at each of the stores:

\(

\begin{array}{l|lll}

0 & & & \\

1 & 7 & 8 & \\

2 & 0 & 5 & 8 \\

3 & 4 & 4 & 7 \\

4 & 0 & & \\

5 & & & \\

6 & & &

\end{array}

\)

Key: \(1 \mid 7=17\) pairs of boots

How many department stores have more than 60 pairs of boots?

_____ department stores

1. There are \(\mathrm{12}\) department stores that match our question.

2. There are \(\mathrm{0}\) zoos that match our question.

3. The zoo with the fewest lizards had \(\mathrm{20}\) lizards.

4. There are \(\mathrm{0}\) department stores that match our question.