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NARA [144]
2 years ago
7

A researcher is working with two variables measured at the interval level. Which statistical tool should the researcher use

Mathematics
1 answer:
icang [17]2 years ago
3 0

The researcher should use regression analysis, as a statistical tool,  because the researcher is working with two variables measured.

<h3>Regression analysis</h3>

Regression analysis is the most widely used statistical tool that can be used to find out the relation between a set of variables. Thus, from its results, it is possible to analyze the trend or make predictions.  In a regression analysis, it is considered the relationships between two or more variables and it is very similar to correlation.

Like the researcher is working with two variables measured at the interval level. The researcher should use regression analysis.

Read more about the regression analysis here:

brainly.com/question/26677136

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What's a number that has exactly three factors???
Kay [80]
The factors of  4  are  1,  2,  and  4 .

The factors of  9  are  1,  3,  and  9 .
3 0
3 years ago
Donavan and Jones are randomly choosing chalices to drink from. 4 of the chalices contain purified water, 5 contain spoiled milk
Arlecino [84]

Answer:

0

Step-by-step explanation:

Chalice with purified water = 4

With spoiled milk = 5

With flat soda = 6

Probability of Jones drinking from a chalice with purified water after Donovan had drank from 3 = 1/3

Probability = required outcome / Total possible outcomes

Total possible outcomes = (4 + 5 + 6) = 15

After Donovan drinks 3 :

Total possible outcomes = (15 - 3) = 12

If the probability of Jones choosing a chalice with purified water is 1/3 then :

(Required outcome / Total possible outcomes) =1 /3

(Required outcome / 12) = 1 / 3

Required outcome * 3 = 12

Required outcome = 12 / 3

Required outcome = 4

Therefore, since initial number of chalice with purified water is 4,

4 - 4 = 0

Then Donovan did not drink from a chalice containing purified water.

7 0
3 years ago
The two-way frequency table shows the results of a survey of a certain forest. Find the probability that a randomly chosen tree
REY [17]
Just read the table! 

<span>From "the probability that a randomly chosen tree": </span>
<span>    ⇒ How many Trees? </span>
<span>Write the denominator. </span>

<span>From "will be a California redwood tree taller than 300 ft"" </span>
<span>    ⇒ How many California redwood tree taller than 300 ft? </span>
<span>Write the numerator. </span>

<span>Done.

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
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7 0
3 years ago
Read 2 more answers
Solve : t+2t squared
zloy xaker [14]

Answer:

t=0 or t=-1/2

Step-by-step explanation:

Solve for t over the real numbers:

t (2 t + 1) = 0

Split into two equations:

t = 0 or 2 t + 1 = 0

Subtract 1 from both sides:

t = 0 or 2 t = -1

Divide both sides by 2:

Answer: |

| t = 0 or t = -1/2

3 0
3 years ago
Find the value of x..helppp
alekssr [168]

Answer:

For the diagram to be a parallelogram, then the measure of x is 4

Step-by-step explanation:

If the diagram is a parallelogram, then the diagonals bisect each other

What this mean is that they divide each other into 2

Mathematically, this means that the values AC is divided into two equal parts AE and CE

That means;

5x + 28 = 3x + 36

5x-3x = 36-28

2x = 8

x = 8/2

x = 4

8 0
3 years ago
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