Mathematics, 07.01.2020 19:31, siasleonard4087
Students at the yulee middle school are selling boxes of popcorn to raise funds for the science laboratory. the tables below show the enrollment and sales numbers for the 7th and 8th grade classes. use these tables to answer the questions 1-4.
seventh grade class
teacher
number in class
boxes sold
todd
30
12
davis
32
25
green
35
32
gary
31
24
sanchez
32
1
eighth grade class
teacher
number in class
boxes sold
han
33
8
gibson
36
28
majia
35
40
ray
35
36
1) which grade has more students: the seventh or the eighth? how many more?
2) in which grade is the mean number of students per homeroom greater: the seventh or the eighth? how much greater?
3) find the mean, mode, and median of the number of boxes of popcorn sold in the seventh grade classes.
4) find the mean, mode, and median of the number of boxes of popcorn sold in the eighth grade classes
Answers: 3
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The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample
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Students at the yulee middle school are selling boxes of popcorn to raise funds for the science labo...
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