3. Consider the following data representing the average number of posts per day to Twitter by 16 high school students. 0.8 52.2 20.6 2.8 36.7 15.3 23.3 11.5 3.7 14.9 9.4 2.4 14.9 31.1 23.5 9.5 a) Find all measures of center. b) Find all measures of dispersion. c) Sketch the boxplot of this data set and label the five number summary.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
3445 m
1335
4. Consider the following times (rounded to the nearest minute) it took for a bus to
arrive at Carolyn's stop after the previous bus had left.
39
38
36
57
48
48
47
41
30
43
41
41
47
43
44
45
51
45
45
46
42
44
43
45
39
51
46
42
45
33
46
42
46
30
42
53
56
34
43.175
a) Find the mean and standard deviation for these times.
b) Sketch a histogram of this data set and describe its shape.
c) Is it reasonable to use the Empirical Rule with this data set, why or why not?
d) If yes, what range of wait times would encompass 95% of all times according to
the Empirical Rule? If no, what is the range of wait times that would encompass
95% of all times according to this data?
Transcribed Image Text:3445 m 1335 4. Consider the following times (rounded to the nearest minute) it took for a bus to arrive at Carolyn's stop after the previous bus had left. 39 38 36 57 48 48 47 41 30 43 41 41 47 43 44 45 51 45 45 46 42 44 43 45 39 51 46 42 45 33 46 42 46 30 42 53 56 34 43.175 a) Find the mean and standard deviation for these times. b) Sketch a histogram of this data set and describe its shape. c) Is it reasonable to use the Empirical Rule with this data set, why or why not? d) If yes, what range of wait times would encompass 95% of all times according to the Empirical Rule? If no, what is the range of wait times that would encompass 95% of all times according to this data?
3. Consider the following data representing the average number of posts per day to
Twitter by 16 high school students.
0.8
52.2
20.6
2.8
36.7
15.3
23.3
11.5
3.7
14.9
9.4
2.4
14.9
31.1
23.5
9.5
a) Find all measures of center.
b) Find all measures of dispersion.
c) Sketch the boxplot of this data set and label the five number summary.
d) Are there any outliers? If so, list them. If not, explain why.
e) Which measure(s) of center and dispersion best describe this data set? Why?
Transcribed Image Text:3. Consider the following data representing the average number of posts per day to Twitter by 16 high school students. 0.8 52.2 20.6 2.8 36.7 15.3 23.3 11.5 3.7 14.9 9.4 2.4 14.9 31.1 23.5 9.5 a) Find all measures of center. b) Find all measures of dispersion. c) Sketch the boxplot of this data set and label the five number summary. d) Are there any outliers? If so, list them. If not, explain why. e) Which measure(s) of center and dispersion best describe this data set? Why?
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 1 images

Blurred answer
Knowledge Booster
Types of Data and Their Measurement
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman