Mathematics, 28.01.2020 11:31 Aley726
The line plot shows the ages of participants in two group activities at a science center.
what conclusion can be drawn about the data sets?
a)the median age of participants in group 2 is older than the median age of participants for group 1.
b)more 14- and 15-year olds are in group 2 than in group 1.
c)the mean age of participants in group 2 is younger than the mean age of participants in group 1.
d)group 1 participants have a greater range in age than group 2 participants.
Answers: 3
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The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.
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The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)
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The line plot shows the ages of participants in two group activities at a science center.
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