Emails us- support@assignmnetanswers.com. Call US

Assignment help 4365

A mathematics teacher recorded the length of time, y minutes, taken to travel to school when leaving home x minutes after 7 am on seven selected mornings. The results are as follows.

x 0 10 20 30 40 50 60

y 16 27 28 39 49 48 51

a. plot the data on scatter diagram

b. (i) calculate the equation of the least squares regression line of y on x, writing your answer in the form y = a + bc

(ii) draw the regression line on your scatter diagram

c. the mathematics teacher needs to arrive at school no later than 8.40am

the number of minutes by which the mathematics teacher arrives early at school, when leaving home x minutes after 7am, is denoted by z.

(i) decude that z = (100 – a ) – (1 +b)c

(ii) hence estimate, to the nearest minute, the latest time that the mathematics teacher can leave home without then arriving late at school

Solution:

15% off for this assignment.

Our Prices Start at $11.99. As Our First Client, Use Coupon Code GET15 to claim 15% Discount This Month!!

Why US?

100% Confidentiality

Information about customers is confidential and never disclosed to third parties.

Timely Delivery

No missed deadlines – 97% of assignments are completed in time.

Original Writing

We complete all papers from scratch. You can get a plagiarism report.

Money Back

If you are convinced that our writer has not followed your requirements, feel free to ask for a refund.