homework 3-006

homework 3-006 - Statistics Prof. Giuseppe Arbia NYU -...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Statistics NYU - Spring 2012 Prof. Giuseppe Arbia V31.0018 - 006 3rd d homework Thursday February, 9 th 2012 Answer each of the questions. Read the questions carefully and keep your answers brief and to the point. PLEASE WRITE NEATLY. Please leave your homework in the mailbox of your respective Teaching Assistant by Tuesday at 8:00am. Since the homework will be discussed during the Lab sessions, no late homework can be accepted. Good work ! Question 1 What is the variance of three consecutive integer numbers ? Question 2 The following table reports the total percentages of a set of individuals on which we observe the color of the eyes and the color of the hair. Blonde Brown Total Blue 0.58 0.16 0.74 Black 0.18 0.08 0.26 Total 0.76 0.24 1.00 a) What represents the frequency 0.08 b) And the frequency 0.76? Question 3 The following table reports a crosstabulation of the absolute frequencies of a set of 170 individuals on which we observe the quantitative variables X and Y X Y 1
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 2

homework 3-006 - Statistics Prof. Giuseppe Arbia NYU -...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online