Mathematics, 24.06.2019 08:10 firefightergros7271
Agroup 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? 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
Mathematics, 21.06.2019 18:20, nehaljay1883
The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%
Answers: 1
Agroup of 22 students participated in a race. their scores are below: score (points) 4–5 6–7 8–9 1...
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