Foundations of Business Statistics
HOMEWORK: One-Sample Z-test and Confidence Intervals
For credit, in detail show all the work, COVERED THE STEPS MENTIONED BELOW
A confidence interval is a range that lets you guess at the mean of the
population.
When ask

Lecturer: Professor Fluture
HOMEWORK: DESCRIPTIVE STATISTICS
Due: Thursday, September 8th
Your Last Name: _
For full credit, show all your work, justify your answers
PART A: FREQUENCIES AND HISTOGRAMS
Note: first read the posted textbook chapter (of Bluma

Lecturer: Professor Fluture
HOMEWORK: DESCRIPTIVE STATISTICS
Due: Thursday, September 8th
Your Last Name: _
For full credit, show all your work, justify your answers
PART A: FREQUENCIES AND HISTOGRAMS
Note: first read the posted textbook chapter (of Bluma

HOMEWORK: SAMPLING DISTRIBUTIONS
Student Name: _
Comments
Example 1
Consider the relation between standard deviation of the sample and standard
deviation of the population
x
n
Be sure you understand the meaning of each variable.
Identify the given varia

Bus310 Homework expectedvalue-normaldistribution
HOMEWORK 4
EXPECTED VALUE AND NORMAL DISTRIBUTIONS
Due: Saturday, 24th
Your Name: _
EXPECTED VALUES:
E(X) = XiP(Xi)
PROBLEM 1 (8 points):
What is the expected value of a lottery ticket where there are only

Bus310 Homework expectedvalue-normaldistribution
HOMEWORK 4
EXPECTED VALUE AND NORMAL DISTRIBUTIONS
Due: Saturday, 24th
Your Name: _Solution
EXPECTED VALUES:
E(X) = XiP(Xi)
PROBLEM 1 (8 points):
What is the expected value of a lottery ticket where there a

Foundations of Business Statistics
Lecturer: Simina Fluture, PhD
HOMEWORK: MEASURING DATA
Due: Thursday, September 1st
Your Name: _
PART A (88 POINTS)
Level of Measurements
Nominal (categorical) level of measurement classifies data into mutually exclusive

Foundations of Business Statistics
Lecturer: Simina Fluture, PhD
HOMEWORK: MEASURING DATA
Due: Thursday, September 1st
Your Name: Simina Fluture
PART A (88 POINTS)
Level of Measurements
Nominal (categorical) level of measurement classifies data into mutua

HOMEWORK: SAMPLING DISTRIBUTIONS
Student Name: _Solution_
Comments
Example 1
Consider the relation between standard deviation of the sample and standard
deviation of the population
x
n
Be sure you understand the meaning of each variable.
Identify the gi

HOMEWORK 3: PROBABILITIES
Justify (explain) your answers
Due: Thursday, September 15th
For full credit, show all your work, justify your answers
Before starting to solve this homework, review your lecture notes and pay attention to
problem 1s solution. Ju