The table below summarises data collected from male and female children about the time they spent on reading per week (X, in hours/week). Male Female All Sample size 20 22 ? 42 Sum values ? ? (i) of X Sum of X2 Mean values 8,648 17,352 (ii) 26000 19.9 27 ? 46.9 Standard Deviation 6.19 7.91 ? 14.1
The table below summarises data collected from male and female children about the time they spent on reading per week (X, in hours/week). Male Female All Sample size 20 22 ? 42 Sum values ? ? (i) of X Sum of X2 Mean values 8,648 17,352 (ii) 26000 19.9 27 ? 46.9 Standard Deviation 6.19 7.91 ? 14.1
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
![The table below summarises data collected from male and female children about the time they spent
on reading per week (X, in hours/week).
Male
Female
All
Sample size
20
22
? 42
Sum
values
?
?
(i)
of X Sum of X²
values
8,648
17,352
(ii) 26000
Mean
19.9
27
? 46.9
Standard
Deviation
6.19
7.91
? 14.1](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8286f337-6816-4624-a0fa-ae220068240c%2Fcff8177a-6bd7-486c-8f2f-1a096ab2cf5a%2Fse5wj0g_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The table below summarises data collected from male and female children about the time they spent
on reading per week (X, in hours/week).
Male
Female
All
Sample size
20
22
? 42
Sum
values
?
?
(i)
of X Sum of X²
values
8,648
17,352
(ii) 26000
Mean
19.9
27
? 46.9
Standard
Deviation
6.19
7.91
? 14.1
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