Question

A psychologist interested in nonverbal communication decided to do an informal study on eye contact. Knowing that eye contact tends to be associated with an emotional connection, she believed that most people would be uncomfortable maintaining eye contact for more than a few moments with a total stranger. To test this, she took a walk on a crowded street and counted how many seconds she could maintain eye contact with various strangers before they looked away. Her findings, in seconds, were
Calculate the
(a) Range,
(b) Inter-quartile range, and
(c) Variance and standard deviation for these lengths of eye contact.


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  • CreatedOctober 29, 2015
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