Mathematics, 28.11.2019 18:31, desscraft30
At an elementary school sporting event, students participated in a 400-meter race. the race times for 20 students in each grade were recorded and presented the following box plot.
based on these samples, what generalization can be made?
a.
the first quartile of the race times for 4th grade students is less than the first quartile of the race times for 3rd grade students.
b.
the interquartile range of the race times for 4th grade students is less than the interquartile range of the race times for 3rd grade students.
c.
the median race time for 4th grade students is less than that for 3rd grade students.
d.
the range of race time is larger for 4th grade students than for 3rd grade students.
Answers: 2
Mathematics, 21.06.2019 17:30, astultz309459
Apublic library wants to place 4 magazines and 9 books on each display shelf. the expression 4s+9s represents the total number of items that will be displayed on s shelves. simplify the expression
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Mathematics, 21.06.2019 19:00, niquermonroeee
Human body temperatures have a mean of 98.20° f and a standard deviation of 0.62°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07°f 97.33°f 99.60°f 100.45°f
Answers: 1
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