A sample of seventh and eighth grade students were asked how many minutes they spent online last night. The results were recorde
d in the box-and-whisker plots shown. What can you conclude?
A.
Eighth grade students have more variation in the amount of time spent online last night.
B.
Seventh grade students have more variation in the amount of time spent online last night.
C.
The sample size of seventh grade students is less than the sample size of eighth grade students.
D.
The sample sizes are equal.
A.
Eighth grade students have more variation in the amount of time spent online last night.
B.
Seventh grade students have more variation in the amount of time spent online last night.
C.
The sample size of seventh grade students is less than the sample size of eighth grade students.
D.
The sample sizes are equal.
1 answer:
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Answer:
The number of children that attended the game was 365
Step-by-step explanation:
Let
x ----> the number of children that attended the game
y ---> the number of adults that attended the game
we know that
----> equation A
----> equation B
Solve the system by graphing
Remember that the solution of the system is the intersection point both graphs
The solution is the point (365,222)
see the attached figure
therefore
The number of children that attended the game was 365
