Q. What is Stem-and-Leaf Plots?

Ans.

A stem-and-leaf plot is a table that provides a quick way to arrange a set of data and view its shape, or distribution. Each data value is split into two parts: a stem and a leaf. You may want to think of the plant metaphor. The leaves all sprout from the stems of a plant.

Example: The Hogan family is having a reunion. Aunt Marge is keeping track of the ages of all the family members that will be attending the reunion.

Create a stem-and-leaf plot to represent this data. Use the plot to find the minimum, maximum, mean and mode of the ages. How can the stem-and-leaf plot be used to plan the reunion?

Solution: Let the digits in the tens place be the stems and the units be the leaves.

The minimum age is 3 years. The maximum age is 92 years. Since there are 24 data values, the median is the average between the 12th and 13th values, 35 and 38. The median is 36.5.

The stem-and-leaf plot can help the organizer pick activities for family members to do during the reunion. There are four children 12 years or younger, no teenagers, four seniors

Posted Date: 5/3/2013 2:59:20 AM | Location : United States

Ask an Expert

Related Discussions:- What is stem-and-leaf plots, Assignment Help, Ask Question on What is stem-and-leaf plots, Get Answer, Expert's Help, What is stem-and-leaf plots Discussions

Write discussion on What is stem-and-leaf plots
Your posts are moderated

Write your message here..

Related Questions

Customer arithmetics, what is $6500 jamaican dollars in european money if ... what is $6500 jamaican dollars in european money if jamaican $160.13 = 1 european money

What is fibonacci sequence, what is Fibonacci Sequence? The most famous... what is Fibonacci Sequence? The most famous sequence in mathematical history is called the Fibonacci sequence, discovered by the 12th-century mathematician Leonardo Fibonacci o

Differential equations, Verify Liouville''''s formula for y "-y" - y'''' + ... Verify Liouville''''s formula for y "-y" - y'''' + y = 0 in (0, 1) ?

Find the middle term of the arithmetic progressions, Find the middle term o... Find the middle term of the AP 1, 8, 15....505. A ns:    Middle terms a + (n-1)d = 505 a + (n-1)7 = 505 n - 1 = 504/7 n = 73 ∴ 37th term is middle term a 37

Kurtosis-measure of central tendency, Kurtosis - It is a concept, whic... Kurtosis - It is a concept, which refers to the degree of peakedness of a described frequency distribution. The degree is generally measured along with reference to general di

What is the measure of its width if its length is 3 inches, The perimeter o... The perimeter of a rectangle is 21 inches. What is the measure of its width if its length is 3 inches greater than its width? Let x = the width of the rectangle. Let x + 3 = th

Example of hcf, Example  Find the Highest Common Factor of 54, 72... Example  Find the Highest Common Factor of 54, 72 and 150. First we consider 54 and 72. The HCF for these two quantities is calculated as follows:

Basic, 8l550ml - 1/4l = 8l550ml - 1/4l =

Innovation, In the innovations algorithm, show that for each n = 2, the inn... In the innovations algorithm, show that for each n = 2, the innovation Xn - ˆXn is uncorrelated with X1, . . . , Xn-1. Conclude that Xn - ˆXn is uncorrelated with the innovations X

Differentiate exponential functions, Differentiate following functions. ... Differentiate following functions. (a)    R ( w) = 4 w - 5 log 9 w (b)   f ( x ) = 3e x + 10x 3 ln x Solution :  (a) It will be the only example which doesn't includ