The number of cookies that college students eat is proportional to how much each

Question

The number of cookies that college students eat is proportional to how much
each cookie costs. A student does an experiment to determine what the optimal price for a
cookie is, so that she will sell her cookies, or so that she will earn the most money from
cookie sales. To figure this out, she sells cookies at her school every Wednesday morning,
each week varying the price. She gets the following results:
price [$] cookies [#]
0.50 100
1.00 90
1.50 85
2.00 75
2.50 50
3.00 20
(a) Plot this data on a sheet of paper (no computers!)
(b) Draw what you think is the best fit line to the data. Estimate the slope of the line.
(c) Now use linear algebra to determine the least squares solution to this data. Show all
steps. What are the slope and y?intercept? Don

Explanation / Answer

you have asked more than 10 questions in a single post this is against rules also if u split it up in multiple posts u'll get a better and quicker reply thanks

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.