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Mathematics, 02.02.2021 18:30 devenaire
The dot plot shows the results of two random samples measuring the mean time, in hours, spent working out in a given week.
Which statement is true?
a
The slight difference in the distributions indicates that the training did not significantly change the students' race times.
b
The mean time the students took to finish the 30 free-throws decreased by about 3 seconds after training.
c
The mean time the students took to finish the 30 free-throws increased by about 3 seconds after training.
d
The significant difference in the distributions indicates that the training did not significantly change the students' race times.
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Answers: 1
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The dot plot shows the results of two random samples measuring the mean time, in hours, spent workin...
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