Question

How do you find the median and median class using a stem plot

Answer #1

The **median** is the middle number of a set of
data.

find the median of the data set. Remember that the median is the middle score.

You just wrote all of the scores in order from the smallest to the greatest. Find the middle score by counting to the middle. Sometimes there will only be one number in the middle, and sometimes there will be two numbers. IF data set has two scores in the middle.Then to Find the mean of these two scores and that will give you the median.

Using the following stem & leaf plot, find the five number
summary for the data by hand. 1|7 8 2|0 1 3 3|0 1 4|0 3 3 4 5|0 1 3
4 4 6|1 1

Use the stem & leaf plot to determine the median time it
takes for students to get to school? Minutes to Travel to School
Key 3|5 = 35 minutes 1 | 3 3 5 7 8 9 2 | 0 2 3 5 6 6 8 9 3 | 0 1 3
3 3 5 5 8 8 4 | 0 5 5 | 5

Describe how to construct a stem-and-leaf plot from a set of
data. Assume that the data consist of two-digit numerical
values.
Choose the correct answer below.
A.
First, organize the data into several classes, such as 40-49,
50-59, and so on. Then, tally the number of data items in each
class, and determine the percentage of the population occupied by
each class. Draw a circle, and divide the circle into portions
representing the percentage for each class.
B.
The plot...

How do I find a mean and median of a histogram?

Here is a data set summarized as a stem-and-leaf plot:
3
00014558899
4
001222566677899
5
05679
6
789
How many data values are in this data set? n=n=
What is the minimum value in the last class?
What is the minimum value in the entire sample?
How many of the original values are greater than 40?

Build a stem-and-leaf plot for these measurements
3.1
4.9
2.8
3.6
2.5
4.5
3.5
3.7
4.1
4.9
2.9
2.1
3.5
4.0
3.7
2.7
4.0
4.4
3.7
4.2
3.8
6.2
2.5
2.9
2.8
5.1
1.8
5.6
2.2
3.4
2.5
3.6
5.1
4.8
1.6
3.6
6.1
4.7
3.9
3.9
4.3
5.7
3.7
4.6
4.0
5.6
4.9
4.2
3.1
3.9
A. Describe the form of data distribution. Do you notice any
unusual results?
B. Use the stem-and-leaf plot to find the minimum
observation....

The stem and leaf plot shows a set of data regarding the number
of text messages sent and received per day by a group of college
students.Find the median and explain what it means in the context
of the problem. Write a detailed sentence.
0
2 6 7
1
2 2 6
2
2 4 4 5
3
1 9 9 9
4
0
5
6
1

The scores for a class of 30 people are represented in the
stem-and-leaf display below. How best would you describe
the shape of this distribution?
A.Mount-shaped symmetrical
B. Skewed right
C.uniform
D. skewed left
E. bimodal

Here is a data set summarized as a stem-and-leaf plot:
3
00024677779
4
0003445677888899
5
04456
6
669
How many data values are in this data set? n=n=
What is the minimum value in the last class?
What is the minimum value in the entire sample?
How many of the original values are greater than 40?
The test scores for two algebra classes are shown in the Stem
and Leaf below.
Test Scores
Period 9
Period 10
9 8 2...

Consider the following set of sample data, and find the
following (note: if you are using TI 83 to find these values, you
need to write down the formulas that you should have used)
19
12
9
19
0
4
3
14
5
5
24
2
5
7
17
(a). Mean
(b). Median
(c). Mode
(d). Standard Deviation
(e). Variance
(f). Find the z-score for 14.
(i). Construct a Box-whisker plot for the data
(j). Construct a frequency distribution Table....

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