Correlation
Lecture 4
Survey Research & Design in Psychology
James Neill, 2012
Overview
1. Purpose of correlation
2. Covariation
3. Linear correlation
4. Types of correlation
5. Interpreting correlation
6. Assumptions / limitations
7. Dealing with several

TIME SERIES ANALYSIS
PRESENTED BY:JEET SINGH
SATYENDRA SINGHAL
Introduction:
We know that planning about future is very necessary for
the every business firm, every govt. institute, every
individual and for every country. Every family is also doing
planni

TIME SERIES ANALYSIS
ITS COMPONENTS
MODELS
OVERVIEW
Prepared By
Sachin
Awasthi
MEANING & DEFINITIONS
A time series is
A set of data depending on the time
A series of values over a period of time
Collection of magnitudes belonging to different
time periods

HYPOTHESIS TESTING
Prepared by
Roderico Y. Dumaug, Jr.
For Intro to Statistics
Objectives
1) Able to formulate statistical hypothesis
2) Discuss the two types of errors in hypothesis testing
3) Establish a decision rule for accepting or rejecting a
statis

Presented byTanu Priya
MEANING
Hypothesis means a mere assumption or some supposition to be
proved or disproved.
Research hypothesis is a predictive statement, capable of being
tested by scientific methods, that relates an independent variable
to some dep

LOGO
CORRELATION
ANALYSIS
1101091-1101100
PGDM-B
Introduction
Correlation a LINEAR association between two
random variables
Correlation analysis show us how to determine
both the nature and strength of relationship
between two variables
When variables

Index Numbers
Abhishek Dixit
Nirbhay Kumar
Rajan Dasgupta
Prerna Tiwary
Rashmi Yadav
Iti Shree
Bindu Singh
INTRODUCTION
An INDEX NUMBER measures the
relative change in price, quantity,
value, or some other item of interest
from one time period to another

Index Numbers
1. Use of Index Numbers
Uses:
1. To show how an economic variable (e.g. price) is changing
over time.
2. To make comparisons. This is achieved by taking a typical
years figure as base and expressing the figures for other
years as a ratio or

NEW COKE : A CLASSIC MARKETING RESEARCH BLUNDER?
The Failure of New Coke. . . .
Coca Cola is responsible for one of the biggest blunders in marketing - New Coke. New Coke came out
because in blind taste tests, people preferred Pepsi to Coke. The revelatio

FOUR STEPS TO
HYPOTHESIS TESTING
The goal of hypothesis testing is to determine
the likelihood that a population parameter, such
as the mean, is likely to be true.
Step
Step
Step
Step
1:
2:
3:
4:
State the hypotheses.
Set the criteria for a decision.
Comp

One-Sided or One-Tailed Hypothesis Tests
In most applications, a two-sided or two-tailed hypothesis test
is the most appropriate approach. This approach is based on
the expression of the null and alternative hypotheses as
follows:
H0: = 170 vs H1: 170
To

Various Authors
A hypothesis is a conjectural statement of the
relation between two or more variables.
(Kerlinger, 1956)
Hypotheses are single tentative guesses, good
hunches assumed for use in devising theory or
planning experiments intended to be give

CHI-SQUARE
The chi-square test is used to determine whether
there is a significant difference between the
expected frequencies and the observed frequencies
in one or more categories. Do the number of
individuals or objects that fall in each category diffe

ZIMBABWE
INFLATION
hasnain baber (c)
One 200,000 dollar note equals less than US $0.10 cen
hasnain baber(c)
ber 22nd 2007, a new note of 500,000 dollars introduced to the m
hasnain baber(c)
Next - 750,000 dollars
hasnain baber(c)
January 2008 a new note o

Host Country Analysis and International HRM Issues
International human resources management (IHRM) involves six functional human resources
areas, which are; recruitment and selection, classifying employees, performance evaluation,
compensation and benefit

The Brexit referendum on June 23, 2016 was an unprecedented global development. The United
Kingdom (UK) voting for the Leave from the European Union (EU) is expected to have considerable
socio economic and political ramifications in the years ahead. The d

REPLACEMENT OF CURRENT MONETARY SYSTEM WITH GOLD
STANDARD In US
Monetary system refers to the rules, customs, instruments, facilities and organizations for
effecting international payments. The stability of present monetary order is considerably peril
due