I already did the first few I just need help with the last ones thank you!

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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I already did the first few I just need help with the last ones thank you! 
57 randomly selected students were asked how many siblings were in their family. Let X represent
the number of pairs of siblings in the student's family. The results are as follows:
# of Siblings
4
Frequency
7
6.
8
9.
10
Round all your answers to 4 decimal places where possible.
The mean is: 3.1403
The median is: 3
The sample standard deviation is: 2.0911
The first quartile is: 1
The third quartile is: 5
%
What percent of the respondents have at least 4 siblings?
39% of all respondents have fewer than how many siblings?
Transcribed Image Text:57 randomly selected students were asked how many siblings were in their family. Let X represent the number of pairs of siblings in the student's family. The results are as follows: # of Siblings 4 Frequency 7 6. 8 9. 10 Round all your answers to 4 decimal places where possible. The mean is: 3.1403 The median is: 3 The sample standard deviation is: 2.0911 The first quartile is: 1 The third quartile is: 5 % What percent of the respondents have at least 4 siblings? 39% of all respondents have fewer than how many siblings?
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