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;Question-1 The following table provides measurements from a scientific experiment. sample number density (X) velocity (Y) 1 2.8 1.5 2 8.5 7.7 3 1 3.6

;Question-1

The following table provides measurements from a scientific experiment.

sample

number

density

(X)

velocity

(Y)

1

2.8

1.5

2

8.5

7.7

3

1

3.6

9.5

5.1

5

7.5

8.7

To measure the correlation between density and velocity, we should use the

  1. Spearman correlationcoefficient
  2. Pearson correlationcoefficient

Question 2:

The following table provides measurements from a scientific experiment.

sample

number

age

(X)

ieght

(Y)

1

3 2

3

2

3

5 5
6 7
10 8
10

10

  1. To determine the correlation between age and weight, what quantity should weuse?
    1. The Spearman correlationcoefficient
    2. The Pearson correlationcoefficient
  2. WhatisN?
  3. Calculate CA
  4. Calculate Z'V
  5. Calculate Z(A 2)
  6. CalculateZ'(V2)
  7. What is the correlation coefficient for the abovedata?

Question 3:

Consider the following data.

Participant

Rankings

of

Observer

A

(X)

Rankings

of

Observer

B

(Y)

1

4

I

'

5

2

3

1

3

5

6

6

2

  1. What correlation coefficient should weuse?
    1. Spearman correlationcoefficient
    2. Pearson correlationcoefficient
  2. What isW?
  3. CalculateC(D2)
  4. What is the correlation coefficient for the abovedata __________

Answer required with detailed explanation...

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