Run a regression analysis on the following data set, where y is the final grade in a math class and x is the average number of hours the student spent working on math each week hours/week Grade X У 53.6 5 47 8 66.2 9 68.6 11 78.4 12 72.8 14 83.6 15 93 19 100 19 100 State the regression equation y = m x + b, with constants accurate to two decimal places. Preview * What is the predicted value for the final grade when a student spends an average of 10 hours each week on math? * Round to 1 decimal place Grade Get help: Video Video The following table shows retail sales in drug stores in billions of dollars in the U.S for years since 1995 Year Retail Sales 0 85.851 3 108.426 6 141.781 9 169.256 12 202.297 15 222.266 Let S(t) be the retails sales in billions of dollars in t years since 1995. A linear model for the data is F(t) = 9.44t + 84.182 220 210 200 190 180 170 160 150 140 130 120 110 100 90 6 12 80 Use the above scatter plot to decide whether the linear model fits the data well The function is a good model for the data. OThe function is not a good model for the data |x billions of dollars Estimate the retails sales in the U. S. in 2017. Use the model to predict the year that corresponds to retails sales of $248 billion. Hint: Help

Q: For this question, why do you have to add 14?

A:

Q: I would like to ask for the 11.16 answer as well. Thank you.

A:

Q: 84 was a bad guess. However, 4 times that number increased by 542 was the correct number. What was…

A: Given number= 84 Also given, 4x+542 is the required answer

Q: The top number is 1.3, not 13. Can you please redo the answers with 1.3

A:

Q: what is 27=7+x

A:

Q: Thank you for your help! Also, what was the 3rd digit for the 4.04?

A: I think you need all answers having three decimal places. So,i am uploading all the answers with…

Q: Okay thank you! Can you please help with 11-13?

A: Let's solve limit problems.

Q: where the 1.63 and the 0.25 come from

A: The value 1.63 is the calculated test statistic, which measures the difference between the sample…

Q: Wht is 10-73

A:

Q: 1358

A:

Q: Please answer question 3 (2.3)

A: Given system of points, lines and planes is…

Q: What is the smallest number of widgets that can be produced and sold for Jesaki Inc. to break even?…

A:

Q: forgot a23

A: If the elements of a matrix are represented in the form - Then,

Q: what two numbers mulitplied give you 225

A: Given that , the number is 225. Note that, the number 225 is perfect square of 15. The prime factors…

Q: what is 2 times 54?

A: We have compute 2 times 54 that 2×54. Hence, 2×54=108

Q: Can ypou please recheck the answer

A: The answer is correct as per my knowledge. Please post if you have any specific doubts

Q: What is 3 plus 3

A:

Q: What are the values of u5 and u1?

A: This is the problem of optimisation.

Q: What is the product of 35.263 and 0.29

A:

Q: What is the answer to 77?

A: (a) From the graph (a), the left hand limit is different from the right hand limit. So, the limit x…

Q: Why do you put a "1" in front of 9, 26, and 10?

A: Passcode has 3 chracters There are 3 categories

Q: Hi, did you accidentally leave a pi out of your answer?

A: