Mathematics, 14.02.2022 14:20 paypay319
There are 10 students who started precalculus in 11th grade and 10 students who started precalculus in 12th grade. The first group has a mean final grade of 89% and the second group has a mean final scored of 81. The line plot shows the difference after 15 randomizations. Determine the difference in the means of the two groups and whether the difference of means is significant based on the line plot. Explain your answer.
Answers: 2
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On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.
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Ming says that 0.24 > 1/4 because 0.24= 2/4. which best explains mings error
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There are 10 students who started precalculus in 11th grade and 10 students who started precalculus...
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