A psychologist would like to determine whether there is a relation between dexterity and video game play. It is known that the general population averages µ= 84 on a standardized dexterity test. The psychologist obtains a sample of N = 11 individuals who are all avid video game players (15+ hours per week). The dexterity scores for this sample are as follows: 96, 82, 91, 100, 98, 73, 92, 81, 85, 89, 89. On the basis of this sample, can the psychologist conclude that dexterity is significantly different from avid video game players than in the general population? Use a two-tailed test at the α = .05 level of significance. Be sure to show all formulas with symbols (and plug in numbers), steps, processes and calculations for all parts of all answers (including how you arrived at the critical value).
A psychologist would like to determine whether there is a relation between dexterity and video game play. It is known that the general population averages µ= 84 on a standardized dexterity test. The psychologist obtains a sample of N = 11 individuals who are all avid video game players (15+ hours per week). The dexterity scores for this sample are as follows: 96, 82, 91, 100, 98, 73, 92, 81, 85, 89, 89. On the basis of this sample, can the psychologist conclude that dexterity is significantly different from avid video game players than in the general population? Use a two-tailed test at the α = .05 level of significance. Be sure to show all formulas with symbols (and plug in numbers), steps, processes and calculations for all parts of all answers (including how you arrived at the critical value).
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