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qaws [65]
3 years ago
7

Dr. Stanley would like to find out whether her study guide helps students perform better on exams. She randomly assigns students

to one of two groups: Group 1 receives her study guide and Group 2 receives no study guide. Then, after 3 weeks, the performance of each student is measured on an exam. What is the dependent variable in this study?
Social Studies
1 answer:
garri49 [273]3 years ago
7 0

Answer:

The study guide.

Explanation:

It's the dependent variable because is the one she's manipulating in the experiment. With the other variable 'perform better on exams' she only measures it.

Remember that the relation between variables is that you manipulate one (dependent) to study its effects in the other one (independent).

You cannot manipulate independent variables to study its effects on dependent ones, because it doesn't make sense, since that independent variables can't be manipulated.

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Use the following terms in a sentence about the ancient history of the Americas A- Nomad B- Migration
exis [7]
Migration is seasonal movement of animals from one region to another. A nomad is someone who has no personal home, and they travel from place to place for a variety of factors like crops and fresh pasture for livestock.
Hope this helps you create sentences.
3 0
3 years ago
Read 2 more answers
What electoral system does Spain use to select representatives to the congress of deputies
IgorLugansk [536]

Answer:

The Spanish Constitution establishes that the deputies are chosen by universal, free, equal, direct and secret suffrage.

Explanation:

7 0
2 years ago
1. In most Spanish-speaking countries, married women legally __. adopt their husbands' surnames retain their maiden surnames 2.
fomenos

Answer: 1. retain their maiden surnames

2. paternal surname

3. Lourdes Blanco de Arias

4. maternal surname

Explanation:

In Spanish-speaking countries such as Chile and Spain, married women retain their surnames instead of taking their husband’s surname. When they take their husband’s name, '<em>de'</em> is used, meaning 'of'. So, Lourdes Blanco Cabrera married to Carlos Arias Delgado can be referred to as Lourdes Blanco de Arias. When there are two surnames which are joined with a hyphen or the letter ‘y’ the first surname is the father’s surname and the second is the mother’s first surname.

1. In most Spanish-speaking countries, married women legally retain their maiden surnames

2. In the name María Antonia Abad Fernández, Abad is the paternal surname.

3. If Lourdes Blanco Cabrera marries Carlos Arias Delgado, she could present herself as Lourdes Blanco de Arias

4. In the name Luis Felipe González y Pérez, Pérez is the maternal surname

4 0
3 years ago
How long was growing season along Atlantic coastal plain ? Plz help me!
vivado [14]
Well it extends 2,200 miles will that help?
3 0
2 years ago
Heights of men on a baseball team have a​ bell-shaped distribution with a mean of 168 cmand a standard deviation of 6 cm.Using t
Mamont248 [21]

Answer:

a) 99.7%

b) 68%

Explanation:

\mu = Mean = 168 cm

\sigma = Standard deviation = 6 cm

a. 150 cm and 186 cm

168-6\times 3=150

168+6\times 3=186

They vary by 3 standard deviations. So, 99.7% of men are between 150 and 186 cm

b. 162 cm and 174 cm

168-6\times 1=162

168+6\times 1=174

They vary by 1 standard deviations. So, 68% of men are between 162 and 174 cm

4 0
3 years ago
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