4. Presidents' Ages at Inauguration The age at inauguration for each U.S. President is shown. Construct a stem and leaf plot and analyze the data. 57 54 52 55 51 56 47 61 68 56 55 54 61 51 57 51 46 54 51 52 57 49 54 42 60 69 58 64 49 51 62 64 57 48 51 56 43 46 61 65 47 55 55 54 Source: New York Times Almanac.
Added by Mar-A S.
Close
Step 1
42, 46, 47, 48, 49, 51, 51, 52, 54, 54, 55, 55, 55, 55, 56, 56, 56, 57, 57, 57, 57, 58, 61, 61, 61, 62, 64, 65, 68 Show more…
Show all steps
Your feedback will help us improve your experience
Supreeta N and 68 other Intro Stats / AP Statistics educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Construct stem-and-leaf plots. Age at Inauguration The following data represent the ages of the presidents of the United States on inauguration day. $$\begin{array}{|lllll} \hline 57 & 61 & 57 & 57 & 58 \\ \hline 54 & 68 & 51 & 49 & 64 \\ \hline 65 & 52 & 56 & 46 & 54 \\ \hline 47 & 55 & 55 & 54 & 42 \\ \hline 55 & 51 & 54 & 51 & 60 \\ \hline 55 & 56 & 61 & 52 & 69 \\ \hline 57 & 50 & 49 & 51 & 62 \\ \hline 61 & 48 & 50 & 56 & 43 \\ \hline 64 & 46 & 54 & & \end{array}$$
Organizing and Summarizing Data
Organizing Quantitative Data
The following data represent the age of U.S. presidents on their respective inauguration days (through Barack Obama). $$\begin{equation}\begin{array}{lllllllll}42 & 47 & 50 & 52 & 54 & 55 & 57 & 61 & 64 \\\hline 43 & 48 & 51 & 52 & 54 & 56 & 57 & 61 & 65 \\\hline 46 & 49 & 51 & 54 & 55 & 56 & 57 & 61 & 68 \\\hline 46 & 49 & 51 & 54 & 55 & 56 & 58 & 62 & 69 \\\hline 47 & 50 & 51 & 54 & 55 & 57 & 60 & 64 & \\\hline\end{array}\end{equation}$$ (a) Find the five-number summary. (b) Construct a boxplot. (c) Comment on the shape of the distribution.
Numerically Summarizing Data
The Five-Number Summary and Boxplots
Ages of Presidents at Inauguration (you may use Excel, calculator, or R-studio). The data represent the ages of our Presidents at the time they were first inaugurated. 57 61 57 57 58 57 61 54 68 51 49 64 50 48 65 52 56 46 54 49 51 47 55 55 54 42 51 56 55 51 54 51 60 62 43 55 56 61 52 69 64 46 54 47 a. What was the age of the oldest President? b. What was the age of the youngest President? c. Construct a grouped frequency distribution for the data using 7 classes. d. Construct a Histogram from this dataset. e. Are there any peaks in the distribution?
Frank D.
Recommended Textbooks
Elementary Statistics a Step by Step Approach
The Practice of Statistics for AP
Introductory Statistics
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD