# manual dexterity, statistics homework help

*label*Mathematics

*timer*Asked: Jan 12th, 2016

*account_balance_wallet*$10

**Question description**

. Your research team has been tasked with finding the correlation of the following scenario:

Four research participants take a test of manual dexterity (high scores mean better dexterity) and an anxiety test (high scores mean more anxiety). The scores are as follows:

__Person Dexterity Anxiety__

1 1 10

2 1 8

3 2 4

4 4 -2

Describe the process that your research team would go through by completing the following:

- Make a scatter diagram of the scores. Should be negative direction
- Describe in words the general pattern of correlation, if any.
- Figure the correlation coefficient.
- Explain the logic of what
you have done, writing as if you are speaking to someone who has never
heard of correlation (but who does understand the mean, standard
deviation,
*Z*scores, and hypothesis testing). - Give three logically possible directions of causality, indicating for each direction whether it is a reasonable explanation for the correlation in light of the variables involved (and why).

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