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<em>So, Your answer is </em><em>61.</em>
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Mrs. Summers polled the students in her 7th and 8th grade classes to determine the number of pets each student has at home. The
results for both classes are shown in the dot plots below. Calculate the mean and mean absolute deviation of each sample. Then, complete the following question.
The mean number of pets for the 8th grade class is about 1.4 pets____ than the mean number of pets for the 7th grade class. This difference is about____ the mean absolute deviation of either group.
A. higher, lower?
B. same as, twice, half?
The mean number of pets for the 8th grade class is about 1.4 pets____ than the mean number of pets for the 7th grade class. This difference is about____ the mean absolute deviation of either group.
A. higher, lower?
B. same as, twice, half?
2 answers:
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Answer:
a) $()
b) $(20m + 7080 - 43200/m)
d) m= 36 or m= -60
e) $200
Step-by-step explanation:
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