Hypothesis Testing
HypothesisTesting
Testing hypothesis about
population means
Null Hypothesis
Non - parametric test: these are used
mainly when population distributrions are
not normal
Test statistic Formula
Normal: z
Normal: z
(x bar - )/ /n
(x bar - )/
NMIMS University
FTMBA
Trimester I
Hand out 3
Distributions, Binomial and Poisson
Q. 1 Following data gives the prospects about EPS of a company for the year 2006-07.
Economic condition
Average
Good
Very Good
EPS
1.2
1.5
2.0
Probability
0.2
0.5
0.3
What i
NMIMS University
Handout 1 Sampling, Sampling Distributions and Estimation
1.
The Greensboro Coliseum is considering expanding its seating capacity and needs to knows both the average
number of people who attend events there and the variability in this nu
NMIMS UNIVERSITY
FTMBA
SABD
Trimester I
Hand out 4
Normal distribution.
1. General Hospital's patient account division has compiled data on the age of accounts receivables.
The data collected indicate that the age of the accounts follows a normal distribu
Narsee Monjee Institute of Management Studies (Deemed University)
Statistical Methods- Assignment-2(Testing Hypothesis One Sample)
1. A random sample of n observation is selected from a population with unknown mean and variance 2. For each of the
followin
Narsee Monjee Institute of Management Studies (Deemed University)
Statistical Methods- Assignment-8(chi-square & F tests)
1. Each person in a random sample of 50 was asked to state his/her sex and preferred colour. The resulting frequencies
are shown belo
NMIMS University
FTMBA
Hand out No. 1
Trimester I - SABD
1. A water purifier salesperson finds that the probability of selling a unit to a prospective buyer on the first
contact is 0.30 but improves to 0.60 on the second contact. The salesperson will not
NMIMS University
FTMBA :
Trimester I
Hand out No. 2
Title: Bayes Theorem and applications
1. Assume that a factory has 2 machines. Past record show that machine 1 produces 30% of the items
of output and machine 2 produces 70% of the items of output. 5% of
ACCOUNTING/FINANCE
SAMPLE TEXT AND EXAM QUESTION
Cost-Volume-Profit Analysis
CVP analysis is used to analyze the factors that affect a firms profitability. It examines the relationship between
sales, expenses, and net income.
An income statement based on
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
B
C
D
E
F
G
Chi-Square Test for Goodness-of-Fit
Frequency data
Actual
Expected
k
df
Tan
Brown Maroon Black
12
40
8
20
20
20
20
20
4
3
Test Statistic
c2
30.4
p-value 0.0000
H
I
Watchband color
J
K
L
A
1
2
3
4
5
6
7
Assignment 1
Contents
A. Assignment
B. Data description
The German Credit data has data on 1000 past credit applicants, described by 30
variables. Each applicant is rated as Good or Bad credit (encoded as 1 and 0
respectively in the Response variable). We
Statistical Analysis of
Pelican Store case
BY
HIMANSHU(H026)
SUPRIYA(H027)
ABHINAV(H028)
CHANCHAL(H029)
Case Outline
Pelican store is a division of National clothing
Targeting customers of other divisions of National clothing
Discount coupons sent to the