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bekas [8.4K]
2 years ago
14

The Copper river school district collected data about class size in the district.The table shows the class sizes for five random

ly selected seventh- and eighth-grade classes

Mathematics
1 answer:
777dan777 [17]2 years ago
6 0

Answer:

A

Step-by-step explanation:

A because the mean absolute deviation of an eighth grade class  is less than that of a seventh grade class. Also, the class size is larger on average for eighth graders (35>31).

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What does the graph of y = 4x + 3 look like?
nexus9112 [7]

Answer:

the graph should look like it.

7 0
3 years ago
How can you find the Mean Absolute Deviation (MAD) for this set of data?
den301095 [7]

Answer: Add all the absolute deviations and divide by number of swimmers.


Step-by-step explanation:

To find the mean absolute deviation of any data we need to follow the following steps:

  • Start by finding the mean of the data set.
  • Find the absolute value of the difference between each data value and the mean.
  • Find the sum of the absolute values of the differences.
  • Divide the sum of the absolute values of the differences by the number of data values.

We can see in the picture that it already dome with first two steps so the step after that is " Add all the absolute deviations and divide by number of swimmers."


5 0
3 years ago
Read 2 more answers
Someone help me right now pls
11Alexandr11 [23.1K]

Answer:

90 degrees and 180 degrees

Step-by-step explanation:

90 degrees and 180 degrees

5 0
3 years ago
The orbit of the planet Venus is nearly circular. An astronomer develops a model for the orbit in which the sun has coordinates
klio [65]
Since the Venus orbits round the sun, the sun is the center of the circular path of the revolution of the planet, Venus.

Thus, the distance of the planet, Venus fron the sun is given by the distance between the points (0, 0) and (41, 53).

Recall that the distance between two points (x_1, y_1) and (x_2, y_2) is given by d= \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Thus, the distance between the points (0, 0) and (41, 53) is given by:

d= \sqrt{(41-0)^2+(53-0)^2}  \\  \\ = \sqrt{41^2+53^2} = \sqrt{1,681+2,809}  \\  \\ = \sqrt{4,490} =67 \ units

Given that each unit of the plane represents 1 million miles, therefore, the distance from the sun to the Venus is 67 million miles.
8 0
3 years ago
A machinist can produce 114 parts in 6 minutes. At this rate, how many parts can be produced in 15 minutes?
KonstantinChe [14]

285

just figure out how many is made then multiple that by 15

4 0
3 years ago
Read 2 more answers
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