Tyler Winterstein and Connor Cech
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
b. The probability th
1- This exam must be typed, and a hard copy must be submitted on Tuesday Nov 08 at 2:00
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
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
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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
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.
Font size 12; time
Tanner Sprouse, Ben Svehla, Jon Post, Hiroyuki Okazoe
- 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
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
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
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