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Correlations A correlation is a: A perfect positive correlation of +1.00 means that: A correlation of .00 means...

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Basic Math

Correlations

  1. A correlation is a:

  1. A perfect positive correlation of +1.00 means that:

  1. A correlation of .00 means that:
  1. A correlation of -1.00 means that:

  1. The frequencies on a communication task are listed below. Thehypothesis being tested is also provided. Fill out the chart belowand follow the 12 steps on page 348 to compute the correlationcoefficient (r), test r against its critical value at the.05 significance level, answer the hypothesis, and interpret yourfindings.

Halt:     When people are giving directions, thenumber of hand movements will be positively correlated to thenumber of facial expressions.

ID

Column 1

# of Changes in

Column 2

# of Changes in

Column 3

Column 4

Column 5

Number

Hand Movements

Facial Expressions

1

2

2

2

1

9

3

5

8

4

2

5

5

1

4

6

8

6

7

3

6

8

7

9

9

7

8

10

5

8

11

2

6

12

14

11

  1. Step 6:
  2. Step 7:
  3. Step 8:
  4. r =
  5. df =
  6. Critical r =
  7. Interpretation:

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