Mathematics, 06.05.2021 06:30 LouieHBK
A psychologist conducted a survey of the attitude towards the sustainability of American energy consumption with 350 randomly selected
individuals several years ago. The psychologist believes that these attitudes have changed over time. To test this he randomly selects 350
individuals and asks them the same questions. Can the psychologist confirm his theory that the attitudes have changed from the first survey to the
second survey?
Attitude
1st Survey
43%
2nd Survey
46%
Optimistic
Answers: 2
Mathematics, 21.06.2019 12:40
Which facts are true for the graph of the function below? check all that apply. f(x) = log8 x
Answers: 1
Mathematics, 21.06.2019 18:30
At the olympic games, many events have several rounds of competition. one of these events is the men's 100-meter backstroke. the upper dot plot shows the times (in seconds) of the top 8 finishers in the final round of the 2012 olympics. the lower dot plot shows the times of the same 8 swimmers, but in the semifinal round. which pieces of information can be gathered from these dot plots? (remember that lower swim times are faster.) choose all answers that apply: a: the swimmers had faster times on average in the final round. b: the times in the final round vary noticeably more than the times in the semifinal round. c: none of the above.
Answers: 2
A psychologist conducted a survey of the attitude towards the sustainability of American energy cons...
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