User Account

All Pages

Why do we take vertical deviations

Assignment Help Basic Statistics
Reference no: EM13891584

(a) What is meant by the ordinary least-squares (OLS) method of estimating the ‘‘best'' straight line that fits the sample of XY observations?

(b) Why do we take vertical deviations?

(c) Why do we not simply take the sum of the deviations without squaring them?

(d) Why do we not take the sum of the absolute deviations?

Reference no: EM13891584

Questions Cloud

Explain whether access to health care is right or privilege : Explain whether access to health care is a right or a privilege. Support your opinions through readings. Weave in the government health plan currently being discussed. What is your response to this?
The specific heat of water : Howmuchheatmustbeaddedtoa8.0-kgblockoficeat-8°Ctochangeittowaterat14°C? Thespecific heat of ice is 2050 J/kg · C°, the specific heat of water is 4186 J/kg · C°, the latent heat of fusion of ice is 334,000 J/kg, and 1 cal = 4.186 J.
Individual and group decision-making processes : In this Assignment, you will consider the similarities and differences between individual and group decision-making processes.
What impact does your pricing decision have on pro?tability : What impact does your pricing decision have on pro?tability? What is the ROI (return-on-investment) over the ?rst ?ve years for each of the pricing strategies identi?ed?
Why do we take vertical deviations : What is meant by the ordinary least-squares (OLS) method of estimating the ‘‘best'' straight line that fits the sample of XY observations and why do we take vertical deviations?
A gas expands adiabatically : When a gas expands adiabatically, A) the internal (thermal) energy of the gas decreases. B) the internal (thermal) energy of the gas increases.
Why would you expect most observed values : State the general relationship between consumption Y and disposable income X in (a) exact linear form and (b) stochastic form. (c) Why would you expect most observed values of Y not to fall exactly on a straight line?
Diabetes case management : diabetes case management
Life cycle cost analysis : Your selection shall be based on a life cycle cost analysis (LCCA) including PW and EAC. Be sure to show complete functional notation with the correct compound interest factors for each option

Reviews

Write a Review

Basic Statistics Questions & Answers

  To perform a certain type of blood analysis lab

to perform a certain type of blood analysis lab technicians must perform two procedures. the first procedure requires

  Draw an appropriate chart to portray the data and summarize

Below is a breakdown of the various expenditure items. Draw an appropriate chart to portray the data and summarize your findings in a brief report.

  Evaluating multiple regression model

Evaluate the multiple regression model between quantity sold (Y) and following explanatory variables: average price of deep-dish pizzas, monthly advertising expenditures, and disposable income per household in areas surrounding outlets.

  Information of independent sample t test

Two new york designs are under consideration for possible adoption in an assembly plant. A time study is conducted with 10 workers using design 1, and 12 workers using design 2. The means and standard deviation of their assembly times in minutes a..

  Conclude that more than half of seniors think job

In all, 53 say "good." Does the poll give reason to conclude that more than half of all seniors think their job prospects are good? The hypotheses for a test to answer this question are?

  Iq scores of adults are normally distributed with a mean of

iq scores of adults are normally distributed with a mean of 100 and a standard deviation of 15. if one adult is

  Strong positive and strong negative correlation

What is the difference between strong positive and strong negative correlation? Is there value in a strong negative correlation? If so, what? In your answer provide examples from your life.

  Find mean-standard deviation of sample distribution of mean

Ppopulation with a mean of 240 and standard deviation of 18. Find the mean & standard deviation of sample distribution of the mean?

  A person leaves for work between 8 am and 830 am and takes

a person leaves for work between 8 am and 8.30 am and takes between 40 and 50 minutes to get there. let the random

  The true highway mileage y of a specific brand of hybrid

the true highway mileage y of a specific brand of hybrid vehicle has a normal distribution with a mean of 42 and a

  Probability that average time spent per customer is in range

A random sample of 36 customers is selected. What is the probability that the average time spent per customer is between 2.9 and 3.2 minutes?

  Probability of children who live with thier father

A study determined that 5% of children fewer than 18 years of age live with their father only. Find the probability that at least 3 persons selected at random from 10 children less than 18 years of age lived with their father only.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd