Which of the following equations could be used to find the value of x? 70
48
68
44
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482 +682-442
COS <=
2(48) (68)
442 +482-682
COS =
2(44) (48)
OS =
682 +442-482
2(68) (44)
None of the choices

Aresearch study is done to find the average age of all u.s. factory workers. the researchers asked every factory worker in ohio what their birth year is. this research is an example of a census survey convenience sample simple random sample