1)Suppose that 40% of the students who drive to campus at your college carry jumper cables. Your car
has a dead battery and you dont have jumper cables, so you decide to ask students who are headed to
the parking lot whether they have a pair of jumper cab
STA 1053.004 Fall 2016 Excel Assignment 1
Due: Sep 13
DIRECTIONS: Given the dataset of the survey from the class, answer the following questions.
Number each question correctly and copy the question into your excel spreadsheet with the
answer/plot below i
STA 1053.004- Basic Statistics
Fall Semester 2016
A. Roy, Ph.D.
Excel Assignment 2
Due: Sep 27
PRINT your Name:
Student Number:
Number each question correctly and copy the question into your excel spreadsheet with the
answer below it. This is a group proj
STA 1053.004- Basic Statistics
Fall Semester 2016
A. Roy, Ph.D.
Assignment 3
Due: October 13
Number each question correctly. This is a group assignment, not a single
assignment. Your group may ONLY have up to 4 people. Turn in a hard copy that
includes a
Formula Sheet for Exam 1:
n
x x
x 1 2
n
z-score z
xn
i 1
n
x
x
s2
,
xi
n
(x x )
2
n 1
Range = largest observation smallest observation
Pearsons sample correlation coefficient r is a common measure of the strength of linear
relationship, given by
r
z
1
Chapter 12: Asking and Answering Questions About a Population Mean
Sec. 12.1 The Sampling Distribution of the Sample Mean
e.g. Consider a population that consists of the number 1, 2, 3, 4, and 5. The probability of each number is
0.2 (discrete uniform d
1
Chpt. 3 Numerical Methods for Describing Data Distributions
Selecting Appropriate Numerical Summaries:
Measures of Center describes where the data distribution is located along the number line. A measure of
center provides information about what is typi
Chap. 5 Probability
Chance Experiments and Sample Spaces
Definition
Chance experiment: any activity or situation in which there is uncertainty about which of two
or more possible outcomes will result.
Sample space: The collection of all possible outcomes
1
Chap. 6 Random Variables and Probability Distributions
Sec. 6.1 Random Variables
Definition
Random variable: A numerical variable whose value depends on the outcome of a chance experiment is
called a random variable.
A random variable is discrete if it
1
Chapter 10: Asking and Answering Questions about a Population Proportion
Definition
Hypothesis: a claim or statement about the value of a single population characteristic or the values of
several population characteristics.
Test of hypotheses: a method
1
Chap. 4 Describing Bivariate Numerical Data
Help for Crime Scene Investigators
Forensic scientists must often estimate the age of an unidentified crime victim. Prior to 2010, this was
usually done by analyzing teeth and bones, and the resulting estimate
STA 1053.004 Basic Statistics
Fall Semester 2016
Student Information Sheet and Syllabus
Professor: Anuradha Roy, Ph.D.
Office: BB 4.03.28
E-mail: Blackboard
Office Hours: TR 12:50- 1:50 p.m.
Blackboard: Class information is available on the Blackboard. Pl
Chapter 1 Collecting Data in Reasonable Ways:
Statistics is the science of whose focus is on collecting, analyzing, and drawing conclusions from data.
Sec. 1.1 Statistical Studies: Observation and Experimentation
If the goal is to make good decision based
1
Chap. 8 Sampling Variability and Sampling Distributions
Sec. 8.1 Statistics and Sampling Variability
Definition
Statistic: Any quantity computed from values in a sample.
(sample mean, sample variance, sample stdev, sample proportion, etc.)
Population c
Formula Sheet for Exam 2:
n
x x
x 1 2
n
z-score z
x
xn
x
i 1
n
,
xi
n
s
2
(x x )
2
n 1
Basic Properties of Probability
1. For any event E, 0 P(E) 1.
2. If S is the sample space for an experiment, P(S) = 1.
3. If two events E and F are disjoint, the P
1
Chpt. 9 Estimating a Population Proportion
Sec. 9.1 Selecting an Estimator
Definition
Point estimate: a single number that is based on sample data and represents a plausible value of the
population characteristic. For example, a sample mean provides a
CHAPTER 2: Graphical Methods for Describing Data Distributions
Sec. 2.1 Selecting an Appropriate Graphical Display
The first step in learning from a data set is usually to construct a graph that will enable you to see
the important features of the data di