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Mathematics, 13.04.2021 18:40 amy290
The number of roses purchased is proportional to the total cost as modeled in the graph shown.
Four roses cost $5 as represented by Point R.
Total Cost of Roses
25
20
15
Total Cost (dollars)
10
8
0
12 16
Number Purchased
What is the cost of one rose?
O $1.25
O $2.50
O $4.00
O $5.00
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Mathematics, 22.06.2019 03:30, madison1284
On a certain portion of an experiment, a statistical test result yielded a p-value of 0.21. what can you conclude? 2(0.21) = 0.42 < 0.5; the test is not statistically significant. if the null hypothesis is true, one could expect to get a test statistic at least as extreme as that observed 21% of the time, so the test is not statistically significant. 0.21 > 0.05; the test is statistically significant. if the null hypothesis is true, one could expect to get a test statistic at least as extreme as that observed 79% of the time, so the test is not statistically significant. p = 1 - 0.21 = 0.79 > 0.05; the test is statistically significant.
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The number of roses purchased is proportional to the total cost as modeled in the graph shown.
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