Homework 2
Tyler Winterstein and Connor Cech
Problems:
17 page 280
a. The probability that a domestic airfare is $550 or more is 0.067
> Pa<-pdist(dist = "norm", mean=385, sd=110, q=550, plot = TRUE, lower.tail
=F)
> Pa
[1] 0.0668072
b. The probability th
Exam 2
Instruction:
1- This exam must be typed, and a hard copy must be submitted on Tuesday Nov 08 at 2:00
pm.
2- Write your name on the exam.
3- Read each question carefully and show all your work.
4- Paste your R code after each problem NOT BETTWEEN QU
Association and Simple Linear
Regression
Response variable: The outcome variable on which
comparisons are made. Often called a dependent variable
or predicted variable.
Explanatory variable: Any variable that explains the
response variable. It is often ca
[Type the document title]
TannerSprouse
Part 3: Probability Distributions
Part 4 gives us some basic rules for understanding and working with
probabilities. For a much more mathematical approach, see Chapters 5 and 6
in your textbook.
Key terms: Probabili
TannerSprouse,JonPost,BenSvehla,andHiro
Homework 1:
Due September 13 at 2:00 pm
Instructions: This homework must be done in project groups. Therefore, only one copy must be
submitted online with all members names written on it. All your answers must be ty
Part 4: Sampling Distributions
In Part 5 we'll take a look at how random samples behave over time (i.e. when the
sampling process is repeated).
Key words: p-value, sampling distributions, sampling distribution of a proportion,
sampling distribution of a m
Reading/writing assignment 1:
Due September 15 at 10:00 am
Instructions: This writing assignment must be done individually and submitted online with
your name on it. This assignment must be typed.
Structure:
Introduction
Body
Conclusion
Font size 12; time
Tanner Sprouse, Ben Svehla, Jon Post, Hiroyuki Okazoe
Homework 3
- 42; 43. Page 330
- 44; 45; 46; 47. Page 331
- 51; 52; 53; 54. Page 332
Problem 42, page 330
122, 99, 25, 55, 115, 102, 61
Problem 43, page 330
a. The sampling distribution of the mean amou
Tanner Sprouse
Homework 2
Instructions:
Due date: Thursday September 22 at class time.
Bring a hard copy
Use R to find numeric answers to the following. You dont have to copy the entire question. However,
you must use a sentence to answer each question, a
Workshop 2
Instructions: All your answers must be typed. Within each part, include your R program output
with code inside of it and any additional information needed to explain your answer. Note that
you will need to edit your output and code in order to
R_workshop
Cyrille Nzouda
Instructions: All your answers must be typed. Within each part,
include your R program output with code inside of it and any
additional information needed to explain your answer. Note that
you will need to edit your output and co