Question

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

Answer #1

Opening the stem and leaf, we have 26 observations

13 13 15 17 18 19 20 22 23 25 26 26 28 29 30 31 33 33 33 35 35 38 38 40 45 55

# | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 |

X | 13 | 13 | 15 | 17 | 18 | 19 | 20 | 22 | 23 | 25 | 26 | 26 | 28 | 29 | 30 | 31 | 33 | 33 | 33 | 35 | 35 | 38 | 38 | 40 | 45 | 55 |

The median will be the average of the n/2 th and the next observations = Average of 13th and 14th observations = (28 + 29) / 2

Median = 57/2 = 28.5

A stem-and-leaf plot is presented to answer the following
question.
+
Stem
Leaf Plot
4
4 5 9
5
0 2 3 3 4 4 6 7 7 7 8
6
1 2 2 3 4 7 8 9
7
0 1 1 2 3 4 4 5 6 6 8 9
8
0 1 3 5
Question 12
The value of 57 is represented on the stem and leaf graph, _____
times.
1) 4
2) 5
3) 3
4)...

The ages in years of 21 people in a swimming pool are displayed
in the stem-and-leaf plot. Determine the median age of people in
the pool.
0
2
4
5
6
7
8
8
8
1
0
3
7
9
2
2
4
7
3
6
4
1
2
4
5
6
4
8
median =
years

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 following stem-and-leaf plot represents a sample of exam
scores.
Exam Scores
4 | 5 6 8
5 | 3 4 5 6 9
6 | 2 3 5 6 6 9 9
7 | 0 1 1 3 3 4 5 5 5 7 8
8 | 1 2 3 6 9
9 | 3 5 7 8
The variance & coefficient of variation for the examination
scores is
QQQQ

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...

From the following stem-and-leaf display, find the
1st quartile, the 2nd quartile (or median),
the 3rd quartile, the interquartile range, and interpret the
interquartile range result. What values will be considered
outliers?
1| 9
2| 0 1 2 2 6 9
3| 0 1 2 3 4 5 5 7 8 8 9
4| 2 6
5| 0 1 2 4 5 7 8 9
6| 5 9

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.
0
2 6 7
1
2 2 6
2
2 4 4 5
3
1 9 9 9
4
0
5
6
1
What is the mode of the distribution?
Based on this data, how many students send and receive 39 or
more text messages per day?
a.
10
b.
5
c.
4...

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

Consider the following stem-and-leaf display for grades of 36
students in a statistics class:: 5 | 8 6| 0 2 6 8 7 | 2 2 2 4 5 5 8
9 9 8 | 1 1 2 5 5 6 6 6 8 9 9 | 1 2 3 4 5 5 6 8 8 9 9 9 In a pie
chart, how many degrees are in the pie slice for the class
"91-100"

Stem
Leaf
2
6
3
0, 7
4
0, 2, 6
5
1, 5, 7, 9, 9
6
0, 2, 5, 8
1) standard deviation:
2)Find Five-number summary of the data set
3). Draw a box plot that represents the data set

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