MIDTERM DISCUSSION PROBLEMS: SET 1
You are expected to post your analysis for one, and only one problem, chosen from either SET 1 or SET 2 of the
Midterm Discussion Problems collections.
If you choose
MIDTERM EXAM Self-Assessment 1
Statistics Midterm Review Problems (Optional)
This is a selection of problems that have come from previous midterms. Your midterm exam will certainly
have different pro
FINAL EXAM Self-Assessment 1
Statistics Final Exam Review Problems (Optional)
This is a selection of problems that have come from previous final exams. Your final exam will certainly have
different p
Stats Supplemental Lecture Notes for Chapter 7
Whats the main idea?
If two quantitative variables are linearly associated, we can model their relationship with an actual
linear equation (called the li
Stats Supplemental Lecture Notes for Chapter 8
Whats the main idea?
Regression has many pitfalls. Calculating the equation of the line of best fit is easy;
determining whether a linear model is approp
MIDTERM EXAM Self-Assessment 2
Statistics Midterm Review Problems (Optional)
This is a selection of problems that have come from previous midterms. Your midterm exam will certainly have
different prob
Stats Supplemental Lecture Notes for Chapter 5
Whats the main idea?
Statisticians commonly find a theoretical model that (approximately) fits their real data. Normal
models are very commonly used and
Stats Supplemental Lecture Notes for Chapter 10
Whats the main idea?
Simulation models help us estimate how likely each possible overall result from a
sequence of events is to happen. Good simulation
Stats Supplemental Lecture Notes for Chapter 11
Whats the main idea?
Instead of surveying or measuring every case in a large population to find a proportion or
mean, we can do a very good job of estim
Stats Supplemental Lecture Notes
Whats the main idea?
The main idea of this chapter is that statistics is about variation, meaning that statistics
provides methods for measuring variation of results i
Stats Supplemental Lecture Notes for Chapter 6
Whats the main idea?
Relationships (associations) between quantitative variables in a bivariate data set can be demonstrated
with a scatterplot. The corr
Stats Supplemental Lecture Notes for Chapter 3
Whats the main idea?
Quantitative data can also be summarized with a chart, graph, or picture. Because values of a
quantitative variable have an inherent
Stats Supplemental Lecture Notes for Chapter 4
Whats the main idea?
Large data sets can be understood by considering just a few figures that summarize the behavior of the
entire data set. Measuring th
Stats Supplemental Lecture Notes for Chapter 2
Whats the main idea?
Qualitative data can be summarized with a chart, graph, or picture. Such a summary is a
much better way to understand a data set tha
Sarah Jia
EAP099
1/12/2018
Hi everyone my name is Jiankun jia, my nick name is sarah.
This name is given by my first English teacher. I love this name
because my favorite food is salad. I am 19 years
Parameter value summarizing data
(ex. Average GPA of all SCC students= 3.24; = 3.24)
Statistic value summarizing sample data
(ex. Average GPA of sample of SCC students = 3.18)
Variables
Numerical/Quan
FINAL EXAM Self-Assessment 1 Answers
1. The Gift Basket Store has premade gift baskets, containing the following combinations of items, in-stock.
Coffee
Tea
Cookies
20
12
Mugs
13
10
Candy
10
12
If on
MIDTERM DISCUSSION PROBLEMS: SET 2
You are expected to post your analysis for one, and only one problem, chosen from either SET 1 or SET 2 of the
Midterm Discussion Problems collections.
Hopefully you
Stats Supplemental Lecture Notes for Chapter 1
Whats the main idea?
Context is crucial when analyzing data. The Ws help establish this context.
For what do the Ws stand?
Who is being measured? Not who