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
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 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 spr
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 ha
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 measu
Question
Observation
1
Height inches
2
Gender M F
3
Job Y N
4
Smoke Y N
5
HS GPA
6
College GPA
7
Miles
8
Minutes on Internet
9
Minutes watching TV
10
Pol Affiliation
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
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. Th
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 me
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
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
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 p
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 b
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 Exp
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 varian
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,
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
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