Mathematics, 26.02.2020 00:30, agray062103
Poloma believes that the equation of the line of best fit for the following scatterplot is y = 5/6x - 31/6. Which statement best summarizes why she must be wrong?
Poloma’s equation has a positive y-intercept, but the scatterplot has a negative correlation.
Poloma’s equation has a positive slope, but the scatterplot has a negative correlation.
Poloma’s equation has a negative y-intercept, but the scatterplot has a positive correlation.
Poloma’s equation has a negative slope, but the scatterplot has a positive correlation.
Answers: 3
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Titus works at a hotel. part of his job is to keep the complimentary pitcher of water at least half full and always with ice. when he starts his shift, the water level shows 4 gallons, or 128 cups of water. as the shift progresses, he records the level of the water every 10 minutes. after 2 hours, he uses a regression calculator to compute an equation for the decrease in water. his equation is w –0.414t + 129.549, where t is the number of minutes and w is the level of water. according to the equation, after about how many minutes would the water level be less than or equal to 64 cups?
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Astudent is determining the influence of different types of food on the growth rate of spiders. she feeds one group of spiders two caterpillars twice a week. the other group received similarly-sized beetles twice a week. she records the amount of time required for individuals to reach sexual maturity. her hypothesis is that the spiders feeding on caterpillars will have a faster growth rate because caterpillars have a higher protein content compared to beetles. in this experiment, what is the dependent variable? spiders assigned to different feeding groups. time required to reach sexual maturity number of prey items fed twice a week. growth rates of each group.
Answers: 2
Poloma believes that the equation of the line of best fit for the following scatterplot is y = 5/6x...
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