Mathematics, 12.10.2019 11:50 xxaurorabluexx
Worth 30 points
the ages of two groups of dance students are shown in the following dot plots:
a dot plot shows age in years on the horizontal axis. for group x, there are 3 dots on 4, 1 dot on 5, 5 dots on 8, 2 dots on 10, 3 dots on 12, and 2 dots on 16. for group y, there are 2 dots on 5, 3 dots on 7, 1 dot on 9, 3 dots on 11, 1 dot on 13, 2 dots on 14, 1 dot on 15, 1 dot on 18, 3 dots on 20, 1 dot on 22, and 2 dots on 24.
the mean absolute deviation (mad) for group x is 3.07 and the mad for group y is 5.25. which of the following observations can be made using these data?
group x has less variability in the data.
group x has greater variability in the data.
group y has a lower range.
group y has a lower mean.
Answers: 3
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The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?
Answers: 1
Mathematics, 21.06.2019 20:30
Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.
Answers: 1
Worth 30 points
the ages of two groups of dance students are shown in the following dot plot...
the ages of two groups of dance students are shown in the following dot plot...
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