ECO253 Past Questions

ECO253

ANOVA is another name for
Answer: f-test

For PearsonVs correlation coefficient is based on pairs of measurement (x,y) and the data is entered in 2 columns, each
pair in a row.
Answer: 2

If Total Sum of Squares (TSS) is 151.8096 and Between Sample Sum of Squares (BSSS) is 4.1048, calculate Within Sample (Error) Sum of Square (WSSS)
Answer: 8.04

The term is interpreted in accordance with the principle of least squares which involves minimising the sum of the squares of the residuals or the errors of the estimates
Answer: best fit

Non-parametric models differ from parametric models in that the model structure is not specified but is instead determined from data
Answer: a priori

Prices of shares of a company on the different days in a month were found to be:44.6, 43.5, 42.4, 41.3, 40.2, 39.1, 38, 36.9, 35.8, 34.7 and 33.6 . What is the mean price of the price of the shares in the month?
Answer: 39.1

Calculate Within Sample (Error) Sum of Square (W.S.S.S) if T.S.S. is 231.7076 and B.S.S. is 12.9076
Answer: 218.8

Correlation coefficients have a value between
Answer: -1 and +1

Which of the following is NOT a method of studying correlation?
Answer: karl marxâ€~s coefficient of correlation.

Follow me on Twitter @louisoladimeji for your Free Exam Summary and free past questions

Whatsapp: 08039407882 for your Project Writeup I Business Plan Writeup I Online Tutorial

Leave a Reply

MEET OVER 2000 NOUN STUDENTS HERE. 

Join us for latest NOUN UPDATES and Free TMA answers posted by students on our Telegram. 

OUR ONLINE TUTORIAL CLASS IS NOW ON!!! JOIN US NOW. 
JOIN NOW!
close-link
%d bloggers like this: