Score (points)
Mathematics, 28.05.2020 01:04 eddy2616
A group of 22 students participated in a race. Their scores are below:
Score (points)
4–5
6–7
8–9
10–11
12–13
Number of Students
3
5
8
4
2
Would a dot plot or a histogram best represent the data presented here? Why? (3 points)
Group of answer choices
Dot plot, because a large number of scores are reported as ranges
Dot plot, because a small number of scores are reported individually
Histogram, because a large number of scores are reported as ranges
Histogram, because a small number of scores are reported individually
Answers: 1
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Answers: 1
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At wind speeds above 1000 centimeters per second (cm/sec), significant sand-moving events begin to occur. wind speeds below 1000 cm/sec deposit sand and wind speeds above 1000 cm/sec move sand to new locations. the cyclic nature of wind and moving sand determines the shape and location of large dunes. at a test site, the prevailing direction of the wind did not change noticeably. however, the velocity did change. fifty-nine wind speed readings gave an average velocity of x = 1075 cm/sec. based on long-term experience, σ can be assumed to be 245 cm/sec. (a) find a 95% confidence interval for the population mean wind speed at this site. (round your answers to the nearest whole number.) lower limit cm/sec upper limit cm/sec
Answers: 2
A group of 22 students participated in a race. Their scores are below:
Score (points)
Score (points)
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