Alpha Geek

(8)

$10/per page/Negotiable

About Alpha Geek

Levels Tought:
University

Expertise:
Accounting,Algebra See all
Accounting,Algebra,Architecture and Design,Art & Design,Biology,Business & Finance,Calculus,Chemistry,Communications,Computer Science,Environmental science,Essay writing,Programming,Social Science,Statistics Hide all
Teaching Since: Apr 2017
Last Sign in: 438 Weeks Ago, 1 Day Ago
Questions Answered: 9562
Tutorials Posted: 9559

Education

  • bachelor in business administration
    Polytechnic State University Sanluis
    Jan-2006 - Nov-2010

  • CPA
    Polytechnic State University
    Jan-2012 - Nov-2016

Experience

  • Professor
    Harvard Square Academy (HS2)
    Mar-2012 - Present

Category > Economics Posted 09 May 2017 My Price 5.00

Some straightforward but slightly tedious algebra shows that

5.51 Some straightforward but slightly tedious algebra shows that

a = 5.20683380

b = -0.3421541

SSResid = 11 - r 2 2 a 1y - y 2 2

a.    Construct a scatterplot of the data. Do you think the

least-squares line will give accurate predictions? Explain.

b.    Delete the observation with the largest x value from the sample and recalculate the equation of the least-squares line. Does this observation greatly affect the equation of the line?

c.    What effect does the deletion in Part (b) have on the value of r2? Can you explain why this is so?

 

 

Answers

Alpha Geek
(8)
Status NEW Posted 09 May 2017 12:05 PM My Price 5.00

-----------

Attachments

file 1494331971-Answer.docx preview (142 words )
5-----------.51----------- S-----------ome----------- st-----------rai-----------ght-----------for-----------war-----------d b-----------ut -----------sli-----------ght-----------ly -----------ted-----------iou-----------s a-----------lge-----------bra----------- sh-----------ows----------- th-----------at ----------- aÂ----------- = -----------5.2-----------068-----------338-----------0 -----------b -----------= ------------0.3-----------421-----------541----------- S-----------SRe-----------sid----------- = -----------11 ------------ -----------r -----------2 -----------2 a----------- 1-----------y ------------ -----------y -----------2 2----------- a-----------. ----------- Â----------- Â -----------Con-----------str-----------uct----------- a -----------sca-----------tte-----------rpl-----------ot -----------of -----------the----------- da-----------ta.----------- Do----------- yo-----------u t-----------hin-----------k t-----------he ----------- le-----------ast------------sq-----------uar-----------es -----------lin-----------e w-----------ill----------- gi-----------ve -----------acc-----------ura-----------te -----------pre-----------dic-----------tio-----------ns?----------- Ex-----------pla-----------in.----------- b-----------. ----------- Â----------- Â -----------Del-----------ete----------- th-----------e o-----------bse-----------rva-----------tio-----------n w-----------ith----------- th-----------e l-----------arg-----------est----------- x----------- v-----------alu-----------e f-----------rom----------- th-----------e s-----------amp-----------le -----------and----------- re-----------cal-----------cul-----------ate----------- th-----------e e-----------qua-----------tio-----------n o-----------f t-----------he -----------lea-----------st------------squ-----------are-----------s l-----------ine-----------. D-----------oes----------- th-----------is -----------obs-----------erv-----------ati-----------on -----------gre-----------atl-----------y
Not Rated(0)