Written Assignment #1
Directions: Answer each of the following questions. Show your work or explain how you
arrived at your conclusion whenever appropriate. Use your calculator.
In a random sample of 150 community college students, the mean number of hour
Minitab Assignment #3 - Answers
Ages of FLCC Students
21
28
35
42
age
49
56
63
Question A: This graph is skewed right (meaning that the tail is longer on the right than it is on the left). There is
also an outlier at 65 years. (-2)
Descriptive Statistics:
HOMEWORK ASSIGNMENT 6
MATH 10A LECTURE 001, FALL 2015, CRAIG EVANS
WRITTEN BY: JASON FERGUSON
JMF@MATH.BERKELEY.EDU
DUE: Thursday, September 17th in your discussion section [unless your GSI says otherwise].
Unless otherwise stated, please include an expla
SOLUTIONS TO HOMEWORK ASSIGNMENT 5
MATH 10A LECTURE 001, FALL 2015, CRAIG EVANS
WRITTEN BY: JASON FERGUSON
JMF@MATH.BERKELEY.EDU
Beware of typos. Your solutions may be dierent from and/or better than mine.
I usually give much more thorough explanations th
HOMEWORK ASSIGNMENT 3
MATH 10A LECTURE 001, FALL 2015, CRAIG EVANS
WRITTEN BY: JASON FERGUSON
JMF@MATH.BERKELEY.EDU
DUE: Tuesday, September 8th in your discussion section [unless your GSI says otherwise].
Unless otherwise stated, please include an explana
HOMEWORK ASSIGNMENT 5
MATH 10A LECTURE 001, FALL 2015, CRAIG EVANS
WRITTEN BY: JASON FERGUSON
JMF@MATH.BERKELEY.EDU
DUE: Tuesday, September 15th in your discussion section [unless your GSI says otherwise].
Unless otherwise stated, please include an explan
HOMEWORK ASSIGNMENT 4
MATH 10A LECTURE 001, FALL 2015, CRAIG EVANS
WRITTEN BY: JASON FERGUSON
JMF@MATH.BERKELEY.EDU
DUE: Thursday, September 10th in your discussion section [unless your GSI says otherwise].
Unless otherwise stated, please include an expla
HOMEWORK ASSIGNMENT 2
MATH 10A LECTURE 001, FALL 2015, CRAIG EVANS
WRITTEN BY: JASON FERGUSON
JMF@MATH.BERKELEY.EDU
DUE: Thursday, September 3rd in your discussion section [unless your GSI says otherwise].
Unless otherwise stated, please include an explan
LA NOTION DE MANIFESTE
Author(s): Anna Boschetti
Source: Francofonia, No. 59, Les manifestes littraires au tournant du XXIe sicle (Autunno 2010)
, pp. 13-29
Published by: Casa Editrice Leo S. Olschki s.r.l.
Stable URL: http:/www.jstor.org/stable/43016549
HOMEWORK ASSIGNMENT 1
MATH 10A LECTURE 001, FALL 2015, CRAIG EVANS
WRITTEN BY: JASON FERGUSON
JMF@MATH.BERKELEY.EDU
DUE: Tuesday, September 1st in your discussion section [unless your GSI says otherwise].
Unless otherwise stated, please include an explana
Question 7 (1 point)
7
In 2002, approximately 39% of the people eligible to vote in mid-term elections voted. Suppose you have
taken a sample of 7 eligible voters. What is the probability of having sampled exactly 2 people that voted?
Question 7 options:
Applications[edit]
Applied statistics, theoretical statistics and mathematical
statistics[edit]
"Applied statistics" comprises descriptive statistics and the application of inferential statistics. [54]
[55]
Theoretical statistics concerns both the logical
Null hypothesis and alternative hypothesis[edit]
Interpretation of statistical information can often involve the development of a null hypothesis which
is usually (but not necessarily) that no relationship exists among variables or that no change
occurred
Misuse of statistics[edit]
Main article: Misuse of statistics
Misuse of statistics can produce subtle, but serious errors in description and interpretationsubtle in
the sense that even experienced professionals make such errors, and serious in the sense t
Sampling[edit]
When full census data cannot be collected, statisticians collect sample data by developing
specific experiment designs and survey samples. Statistics itself also provides tools for prediction
and forecasting the use of data through statisti
Significance[edit]
Main article: Statistical significance
Statistics rarely give a simple Yes/No type answer to the question under analysis. Interpretation often
comes down to the level of statistical significance applied to the numbers and often refers t
Sampling[edit]
When full census data cannot be collected, statisticians collect sample data by developing
specific experiment designs and survey samples. Statistics itself also provides tools for prediction
and forecasting the use of data through statisti
Experiments[edit]
The basic steps of a statistical experiment are:
1. Planning the research, including finding the number of replicates of the study, using the
following information: preliminary estimates regarding the size of treatment
effects, alternati
Types of data[edit]
Main articles: Statistical data type and Levels of measurement
Various attempts have been made to produce a taxonomy of levels of measurement. The
psychophysicist Stanley Smith Stevens defined nominal, ordinal, interval, and ratio scal
Misinterpretation: correlation[edit]
The concept of correlation is particularly noteworthy for the potential confusion it can cause.
Statistical analysis of a data set often reveals that two variables (properties) of the population under
consideration ten
Step 1: Ask yourself, is this a fact about the whole population? Sometimes thats easy to figure
out. For example, with small populations, you usually have a parameter because the groups are small
enough to measure:
10% of US senators voted for a particula
MAT 121 / Quiz #3 / 80 points
DIRECTIONS: Show your work to ensure partial credit or explain how you arrived at your
conclusion whenever appropriate.
1. To estimate the average number of minutes it takes a typical employee at H&R Block to
prepare a tax re
Quiz #2 - 80 points
DIRECTIONS: Be sure to clearly explain your thought process when answering each question,
especially if you hope to receive partial credit in the event that your solution is in some way
flawed.
1.
A study was done to determine the size
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Econ 101A Solution to Problem Set 2
No late Problem Sets accepted, sorry!
This Problem set tests the knowledge that you accumulated in the lectures 5 to 8. It is focused on
preferences, utility functions, and utility maximization. General rules for proble