Statistics
Problem Set 6
Cichello: SP 13
Problem Set 6
Due: 5:00 pm, Saturday, March 23rd
The graded portion of this homework is found on MyStatLab . Answers to any questions
submitted after 5:00 pm o
Statistics
Problem Set 6- SOLUTIONS
Cichello: SP 13
SOLUTIONS
Problem Set 6
Chs. 7.1-7.4 and 9.1-9.4: Estimation, Confidence Intervals and Hypothesis Testing
1)
a. Explain the difference between an es
Statistics
Problem Set 3- SOLUTIONS
Cichello: SP 13
SOLUTIONS
Problem Set 3
The graded portion of this homework is found on MyStatLab . Below are solutions to the
problems that are not graded.
NFL Rep
Statistics
Problem Set 4- SOLUTIONS
Cichello: SP 13
SOLUTIONS
Problem Set 4
Ch. 5: Continuous Random Variables
1) Uniform Distribution
a. If a random variable, X, has a uniform distribution over the v
Stats
pre-class handout: Hyp. Testing/Conf. int. for Sample Variance
Cichello
In Chapter 6.4, we learned about the sampling distribution of the Sample Variance. We learned:
1) E[s2] = 2
i.e. The sampl
We previously recognized that when we pick a different random sample, we will often find a
different sample mean. We started learning about the distribution of all the possible sample
means- what the
Statistics
Problem Set 5- SOLUTIONS
Cichello: SP 13
SOLUTIONS
Problem Set 5
Ch. 6: Sampling and Sampling Distributions
1) Sample Means
Suppose we randomly pick a sample of 4 Americans (out of the popu
Statistics
Problem Set 2: SOLUTIONS
Cichello: SP 13
SOLUTIONS
Problem Set 2
The graded portion of this homework is found on MyStatLab . Below are solutions to the
problems that are not graded.
Ch. 3:
Statistics
Problem Set 1- SOLUTIONS
Cichello: SP 13
SOLUTIONS
Problem Set 1
Question 1:
Suppose you have 90 people in your sample and you ask them how many sodas they drank
yesterday. Ten say three so
Hypothesis Testing:
Test of the Population Mean with a Known Variance
General Strategy of Hypothesis Testing
Hypothesis testing starts with a hypothesis, or claim, about where a population parameter i