Suppose that a study of 500 randomly chosen teenagers established that those who

Question

Suppose that a study of 500 randomly chosen teenagers established that those who had regularly played video games over the previous year tended to have a greater games. Of the to apathy (lack of motivation) than those who had not regularly played video of video games by following, which would be the best way to establish whether regular playing teenagers causes apathy? (A) Repeat the study, this time stratifying by gender and 19, inclusive, are (B) Repeat the study, this time making sure that all ages between 13 (C) covered adequately sample size to 1000 teenagers used Repeat the study, this time increasing the are (D) Repeat the study, this time making sure that all types of video game play video games (E) Perform a study using 50 teenagers. Randomly choose which 25 will video game playing regularly and which 25 will not, and observe any connection between and apathy

Explanation / Answer

Option E Ho : p = 0.65 VS Ha : p > 0.65 81% of the variation can be explained by the least square regression line relation protin level and sugar level.

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