Mathematics, 03.03.2020 03:28 littledudefromacross
The data below are the final exam scores of 10 randomly selected history students and the number of hours they slept the night before the exam. Find the equation of the regression line for the given data. What would be the predicted score for a history student who slept 7 hours the previous night? Is this a reasonable question? Round the regression line values to the nearest hundredth, and round the predicted score to the nearest whole number.
Hours, x 5 2 8 4 4 5 6 3
Scores, y 80 60 88 78 85 90 90 71
Answers: 1
Mathematics, 21.06.2019 16:00, destinyaus14
Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.
Answers: 1
Mathematics, 21.06.2019 19:30, gyliahicks
Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. after tax the total is 45.99. what percentage of the subtotal is the total?
Answers: 2
The data below are the final exam scores of 10 randomly selected history students and the number of...
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