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Dafna11 [192]
3 years ago
15

School administrators in Boston want to assess the efficacy of a new reading program they wish to put in place. Therefore, they

randomly assign some schools in the city to institute the new reading program and other schools to remain on the traditional reading program. When performing the analysis to determine whether students using the new reading program perform better, the educators control for socioeconomic status, a variable known to be related to educational outcomes. What kind of analysis have the educators performed
Mathematics
1 answer:
irina [24]3 years ago
6 0

Answer:

The selection of the schools is done by random sampling, the remaining schools are considered as the control and stratified sampling for the selection of students for analysis is considered

Step-by-step explanation:

Based on the scenario, the following key highlights are presented:

  1. The sampling for selection is carried out randomly.
  2. The control group is maintained.
  3. The selection of students for analysis is considered with a specific socio-economic status.

This indicates that the selection of the schools is done by random sampling, the remaining schools are considered as the control and stratified sampling for the selection of students for analysis is considered.

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Number #16 please?and 17
tatiyna

Answer:

16. Yes

17. Yes

Step-by-step explanation:

Since the angles are congruent (due to parallel lines) the two triangles are similar. Similar triangles form congruent ratios between their corresponding sides.

Since the quadrilaterals are similar, this means the angles in each are congruent. This will not change when divided by diagonals. The triangles in each will have congruent angles and their sides will maintain equivalent ratios.

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matrenka [14]

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3 years ago
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Two angles of a triangle are 40 and 80 digress. Find the third angle.
Papessa [141]

Answer:The third angle would be 60⁰

Step-by-step explanation: Since a triangle adds up to 180⁰, 40 + 80 = 120⁰. And 180 - 120 = 60⁰.

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3 years ago
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Area of the base of cuboid shaped tank is 8400 cm. When 420 liters of water is put into the tank. find the height of the water i
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Answer:

hope this helps you get a good grades

4 0
3 years ago
please help all you gotta do is match it thank you so much also if you could please explain it too thank you i would appreciate
g100num [7]

Answer:

1/2 = 3/6

1/3 = 4/12

1/5 = 2/10

1/4 = 5/20

Step-by-step explanation:

To make equivalent fractions, you need multiply by 1. A number divided by itself is 1.

1/1 * x/x = x/x = 1

1/2 = 3/6

\frac{1}{2} * \frac{3}{3} = \frac{3}{6}

1/3 = 4/12

\frac{1}{3} * \frac{4}{4}  = \frac{4}{12}

1/5 = 2/10

\frac{1}{5} * \frac{2}{2} = \frac{2}{10}

1/4 = 5/20

\frac{1}{4}*\frac{5}{5}=\frac{5}{20}

Hope this helps :)

Have a great day!

8 0
2 years ago
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