Forty randomly selected students were asked the number of pairs of sneakers they owned. Let X = the number of pairs of sneakers owned. The results are as follows. x Frequency 1 2 2 4 8 4 12 5 12 6 2 O Part (a) Find the sample mean x. (Round your answer to two decimal places.) O Part (b) Find the sample standard deviation, s. (Round your answer to two decimal places.) Part (c) O Part (d) Complete the columns of the chart. (Round your answers to three decimal places.) x Frequency Relative Frequency Cumulative Relative Frequency 2 2 4 3 8. 4 12 5 12 A Part (e) 2. 3. 6. 1,

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
Forty randomly selected students were asked the number of pairs of sneakers they owned. Let X = the number of pairs of sneakers
owned. The results are as follows.
Frequency
1
2
2
4.
3
8.
4
12
5
12
O Part (a)
Find the sample mean x. (Round your answer to two decimal places.)
O Part (b)
Find the sample standard deviation, s. (Round your answer to two decimal places.)
O Part (c)
O Part (d)
Complete the columns of the chart. (Round your answers to three decimal places.)
Frequency
Relative Frequency
Cumulative Relative Frequency
1
2
4.
8
4
12
5
12
6
O Part (e)
Find the first quartile
O Part (f)
Find the median.
O Part (g)
Find the third quartile.
O Part (h)
O Part (i)
What percent of the students owned at least five pairs? (Round your answer to one decimal place.)
%
O Part (j)
Find the 40h percentile.
O Part (k)
Find the 90th percentile.
Transcribed Image Text:Forty randomly selected students were asked the number of pairs of sneakers they owned. Let X = the number of pairs of sneakers owned. The results are as follows. Frequency 1 2 2 4. 3 8. 4 12 5 12 O Part (a) Find the sample mean x. (Round your answer to two decimal places.) O Part (b) Find the sample standard deviation, s. (Round your answer to two decimal places.) O Part (c) O Part (d) Complete the columns of the chart. (Round your answers to three decimal places.) Frequency Relative Frequency Cumulative Relative Frequency 1 2 4. 8 4 12 5 12 6 O Part (e) Find the first quartile O Part (f) Find the median. O Part (g) Find the third quartile. O Part (h) O Part (i) What percent of the students owned at least five pairs? (Round your answer to one decimal place.) % O Part (j) Find the 40h percentile. O Part (k) Find the 90th percentile.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
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