A student at a junior college conducted a survey of 2D randomly selected full-li

Question

A student at a junior college conducted a survey of 2D randomly selected full-lime students to cetemire the relaion between the number of hours of video game playing each week, x, and grade-point average, y. She found hat a linear relation exists between theto variabes. The least-squares rersson ine that desenbes this rehton y-_0 05541+2 9479. a) Predict the grade-point average ora soudent who plays video games hours per week. The predicted grade-pont average Round to the neareet hundredth as needed.) b) Interpret the slope For each addronal hour that a student spends playing video gamas in a week, tne grade-point average wll (c) H appropnahe, itarpret the y-intercept O A. The average number of video games played in a week ty students is 2.9479 n a wek ne grade-point average | by | | points, on average B. The grade-point average of a student who does not pay video games 2.9479 C. It cannot be interpreted without more intimation. (d) A sludent wto phrys video garnes 7 hours per weck ha a grade paint average af 287. Is the student's grade point average abave ar ber The student's grada-point averagavarags for those who play video games hours per weak verage average amang al students who play video games 7 hours per wzek? amang al

Explanation / Answer

a) predicted grade point average =-0.0554*8+2.9479=2.5047~ 2.50

b)........grade point average will decrease by 0.0554 points on average

c)option B is correct

d)...above average....

please revert fr any clarification required.

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