Question

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) 2

Question 13

A distribution is said to be symmetric to the right if it contains abnormally small measurements.

True or False

Question 14

The simplest graph for quantitative data is the _____ graph.

1) histogram

2) frequency polygon

3) dotted

4) circular

Question 15

The most convenient graph to present the components of a whole is the _______ graph.

1) circular

2) histogram

3) dotted

4) polygon of frequencies

Answer #1

12)

The value of 57 is represented on the stem and leaf graph, 3
times.

Option 3) 3 .

13)A distribution is said to be symmetric to the right if it
contains abnormally small measurements.

Correct option -> False

14)The simplest graph for quantitative data is the _histogram_
graph.

1) histogram is correct option

But barplot can also be used but when we have large value , putting dots will be time consuming

15)The most convenient graph to present the components of a whole
is the _circular_ graph.

1) circular is correct .

Other name of Circular graph is pie chart .

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

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

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...

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

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 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

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

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...

Consider the following stem and leaf display.
3 | 1 1 1 4 5
4 | 4 6 7
5 | 0 0 4 5 6 6 8 9
6 | 1 3 3 6
Find the 3rd quartile.

Consider the following stem and leaf display.
3 | 1 1 1 4 5
4 | 4 6 7
5 | 0 0 4 5 6 6 8 9
6 | 1 3 3 6
Find the 25th percentile.
round to one decimal place

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