Statistics questions

Statistics
Tutor: None Selected Time limit: 1 Day

Apr 7th, 2015

husband wife d
74 63 11
65 56 9
55 58 -3
56 51 5
51 43 8
64 69 -5
42 48 -6
49 61 -12
   
mean of d =0.875  

Apr 7th, 2015

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Apr 7th, 2015
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Apr 7th, 2015
Dec 3rd, 2016
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