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Tanya [424]
2 years ago
13

A researcher wants to determine if there is a relationship between media outlet (social media, newspapers, and radio) and intere

st in media by population group (youth, young adults, and older adults). What type of statistical test should be used?
a. Correlation Analysisb. Independent t-testc. Dependent t-testd. ANOVAe. Chi Square
Mathematics
2 answers:
Feliz [49]2 years ago
8 0

Answer:

The researcher should use correlation analysis for his studies.

Step-by-step explanation:

What is correlation?

Correlation is a statistical tool used to quantify the degree to which two variables are related. Through the correlation analysis, you evaluate correlation coefficient that tells you how much one variable changes when the other one does. Correlation analysis provides you with a linear relationship between two.

Types of correlation

1. Positive, Negative or Zero Correlation:

2. Linear or Curvilinear Correlation:

3. Scatter Diagram Method:

4. Pearson's Product Moment

Coefficient of Correlation:

5. Spearman's Rank Correlation

Coefficient:

Elena L [17]2 years ago
8 0

Answer:

The correct option is;

e. Chi-Square

Step-by-step explanation:

From the question, the researcher is trying to find out the relationship between a large population group (social media, newspapers, and radio) and another large population group, the interest in media by population group (youths and adults) of which the data that can be collected will be mutually exclusive with independent variable and raw with an aim to present the expectation side by side with the actual observed results.The most appropriate statistical test that should be used therefore is the Chi Square test.

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In the given figure poq is a line. if x=30 then find qor and ros​
LuckyWell [14K]

Answer:

2y + 3y + x = 180 \\ 5y + 30 = 180  \\ 5y = 180 - 30 \\ 5y = 150 \\ y = 30

QOR =3Y

=3×30

=90°

ROS = 2Y

=2×30

=60°

3 0
2 years ago
If 4 + x = −3 + 2x, then 9x =_____?
gayaneshka [121]

Answer:

4+x=-3+2x

4+3=2x-x

7=x

9x=9*7

=63

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
What is probability that the total number of dots appearing on top is 5?
stira [4]
Only 1,4 2,3 3,2 4,1
there are 6x6 =36 combination

so 4/36 =1/9
the answer is 1/9
7 0
3 years ago
Suppose that news spreads through a city of fixed size of 700000 people at a time rate proportional to the number of people who
Gnoma [55]

Answer:

y'(t) = k(700,000-y(t))  k>0 is the constant of proportionality

y(0) =0

Step-by-step explanation:

(a.) Formulate a differential equation and initial condition for y(t) = the number of people who have heard the news t days after it has happened.

If we suppose that news spreads through a city of fixed size of 700,000 people at a time rate proportional to the number of people who have not heard the news that means  

<em>dy/dt = k(700,000-y(t)) </em>where k is some constant of proportionality.

Since no one has heard the news at first, we have

<em>y(0) = 0 (initial condition) </em>

We can then state the initial value problem as

y'(t) = k(700,000-y(t))

y(0) =0

8 0
3 years ago
PLEASE LOOK AT PHOTO! WHOEVER ANSWERS CORRECTLY I WILL MARK BRAINIEST!!
inn [45]

Answer:

m < 1 = 18°

Step-by-step explanation:

If <ABD = 72°, and m < 2 is three times the measure of m < 1, then:

Let < ABC = m < 1 =  x

     < CBD = m < 2 = 3x

We can set up the following formula, since the sum of the measures of angles < 1 and < 2 is equal to <ABD (72°):

m < 1 + m < 2 = < ABD

x + 3x = 72°

Add like terms:

4x = 72°

Divide both sides by 4 to solve for x:

\frac{4x}{4} = \frac{72}{4}

x = 18

Since x = 18, and m < 1 = x , then m < 1 = 18°.

And since m < 2 = 3x, then m < 2 = 3(18°) = 54°.

Let's check to see whether we derived the correct answers by plugging in the values of m < 1 and m < 2 into the established formula:

m < 1 + m < 2 = < ABD

18° + 54° = 72°

72° = 72° (True statement).

Please mark my answers as the Brainliest if my explanations were helpful :)

7 0
2 years ago
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