Mathematics, 28.05.2020 21:07 Seaisnowblue
A sociologist recently conducted a survey of senior citizens who have net worths too high to qualify for Medicaid but have no private health insurance. The ages of the 25 uninsured senior citizens were as follows:
69 74 75 62 70 93 64 69 61 88 67 77 87 90 66 91 77 63 82 82 71 74 76 65 83
(a) Find the standard devation of the observations.
A. 74
B. 75.04
C. 94.95
D. 9.74
(b) Find the median of the observations. ト
A. 77
B. 74
C. 67.2
D. 83
Answers: 2
Mathematics, 21.06.2019 18:40, miguel3maroghi
Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.
Answers: 3
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