subject
Mathematics, 10.12.2021 01:00 QueenFlowerCrown98

the following table shows the test scores and sleep averages of several students. hours of sleep (x) 7 7 7 6 8 8 9 5 6 7 7 9 8 8 10 8 test score (y) 90 75 70 70 85 95 90 60 65 80 70 85 85 100 95 90 (a) use graphing technology (ti calculator or desmos) to find the linear regression equation that models the data. let x equal the hours of sleep and y equal test score. explain the steps you use. (b) use the equation to determine the approximate test score of a student who sleeps an average of 7.5 hours a night. show your work


the following table shows the test scores and sleep averages of several students. hours of sleep (x

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 13:20
Which statement explains how you could use coordinate geometry to prove that quadrilateral abcd is a parallelogram? -5 -4 -3 -2 -1 t 1 2 3 4 prove that all sides are congruent and have slopes that are opposite reciprocals prove that segments ad and ab are congruent and parallel prove that opposite sides are congruent and have equal slopes prove that segments bc and cd are congruent and parallel
Answers: 1
question
Mathematics, 21.06.2019 15:30
Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.
Answers: 3
question
Mathematics, 21.06.2019 22:00
James is playing his favorite game at the arcade. after playing the game 33 times, he has 88 tokens remaining. he initially had 2020 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays
Answers: 1
question
Mathematics, 21.06.2019 22:00
Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?
Answers: 2
You know the right answer?
the following table shows the test scores and sleep averages of several students. hours of sleep (x)...
Questions
question
Mathematics, 24.06.2021 14:00
question
Mathematics, 24.06.2021 14:00
question
Law, 24.06.2021 14:00
question
English, 24.06.2021 14:00
question
Mathematics, 24.06.2021 14:00
question
Mathematics, 24.06.2021 14:00
question
World Languages, 24.06.2021 14:00
question
World Languages, 24.06.2021 14:00
question
Mathematics, 24.06.2021 14:00
question
Social Studies, 24.06.2021 14:00
Questions on the website: 13722360