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marshall27 [118]
3 years ago
6

How did the Yangtze river and yellow river benefit the ancient Chinese people

Social Studies
1 answer:
Alex17521 [72]3 years ago
4 0
They were major trading routes and allows NOT only goods but culture to spread from town to town
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To ensure accurate measurement of cardiovascular activity, researchers typically:________
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For an accurate measurement of cardiovascular activity, researchers typically: D) measure the number of heartbeats per minute.

<h3>What is cardiac cycle?</h3>

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As a general, researchers should typically measure the number of heartbeats of a person per minute, so as to ensure an accurate measurement of cardiovascular activity.

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An extended debate in the senate which is designed to delay or even prevent a bill's passage is referred to as a(n)
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3 years ago
when dividing discrete objects among people, what factors affect how much value a person places on all or part of an object?
juin [17]

The factors affect is :- Its monetary worth Its favorable/unfavorable characteristics like color or flavor Its sentiment values Hence, option (b) is the correct answer.

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The Complete Question : When dividing discrete objects among people, what factors affect how much value a person places on all or part of an object?

(a). Its monetary worth

(b). Its favorable/unfavorable characteristics like color or flavor

(c). Its sentimental value

(d). All of the above

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1 year ago
Dr. Rodriguez was interested in how quickly students help someone who has fallen and who was perceived as having a health proble
Aleonysh [2.5K]

Answer:

Kindly check explanation

Explanation:

Given the data :

Person perceived as having health problem

No witnessing fall _____ secs it takesto respond

1 _______________25

3 ______________ 60

5 ______________ 180

Person perceived as not having health problem

No witnessing fall _____ secs it takesto respond

1 _______________90

3 ______________ 180

5 ______________ 360

A.)

The dependent variable, also the predicted variable is 'how quickly students respond to the person who fell'

The Independent variable refers to the predictor variable which influences the outcome of the dependent variable. The independent variables are ;

Number of students in the room ;

Perception of health problem in the person who fell.

2.)

The possible confounding variable may be the cane being held by one of the confederates, as this might cause a disruptive association between the dependent and independent variable.

3.)

From the result of the experiment, it could be observed that there is a positive trend between the number of witnesses(student in the room) and the time it took students to respond to someone who has fallen.

4.

Σfx / Σf

[(90*1) + (180*3) + (360*5)] ÷ (1+3+5)

2430 / 9

= 270

a.

Descriptive statistics uses statistical measures to describes the numerical or quantitative measures of a data. Descriptive statistics sucha as mean, median, mode and so on.

Inferential statistics is used to make possible deductions or predictions from a data sample. It allows us to make conclusions about a certain population from a sample to f the population data.

b.

Based on Inferential statistics and hypothesis testing of the sample data, various hypothesis test statistics may be used to establish or conclude about a population characteristics from sample data.

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