Question 1
2 out of 2 points
Which of the following is correct?
Selected
Answer:
Correct
Answer:
Response
Feedback:
As the sample size increases, the power of a
test increases.
As the sample size increases, the power of a
test increases.
This is correct.

Question 1
2 out of 2 points
A forced-choice design is often used to compare the attractiveness of pheromones to
insects. A Y-tube is used. The pheromone is place on one branch; the control on the
second branch; and the insect on the third branch. The ins

Question #1
A) This would be considered a lower tail test. This decision is based on the fact that we are
testing to determine if there is a relationship between the variables in only one direction.
That direction would be that the predicted outcome will

Question 1
2 out of 2 points
Which of the following is correct?
Selected
Answer:
Correct
Answer:
Response
Feedback:
The t procedures can be used with an SRS of more than 40 observations
even if the data are skewed.
The t procedures can be used with an SRS

Question 1
0 out of 2 points
Walleye is a common game fish. Adult walleye have a length with a mean of 44 cm and a
standard deviation of 4 cm and the distribution of lengths is approximately Normal. What
fraction of fish are less than 47 cm in length?
Sel

Question 1
0 out of 2 points
A shipment of 1000 small lab mice arrives at the animal care facility with a nominal
weight of 12 g per mouse. A sample of 100 mice is selected and weighed and the
resulting 95% confidence interval for the mean weight is from

Question 1
0 out of 2 points
A Simple Random Sample of fish is taken from a population that has a
mean length of 60 cm and a standard deviation of 10 cm. How large of a
sample is needed so that the sampling distribution of has a standard
deviation of 1 c

The probability that a plant produces two or more seeds is 0.30. A sample
of seven plants is observed. What is the probability that at least three plants
produce two or more seeds?
Selected
Answer:
Correct
Answer:
0.35
29
0.35
29
Response
Feedback:
This

Question 1
0 out of 2 points
Walleye is a common game fish. Adult walleye have a length with a mean
of 48 cm and a standard deviation of 3 cm and the distribution of lengths
is approximately Normal. What fraction of fish are less than 44 cm in
length?
Se

Do all five histograms appear reasonably bell-shaped? ( If not, which ones do not. Also, list their
corresponding p-value from the Anderson-Darling Normality Test section with the item)
Four of the histograms appear reasonably bell shaped. Kurtosis is bel

The first column of data is Force Expiratory Volume (FEV) in liters (L).
The second column of data is height.
FEV
1.7080
1.7240
1.7200
1.5580
1.8950
2.3360
1.9190
1.4150
1.9870
1.9420
1.6020
1.7350
2.1930
2.1180
2.2580
1.9320
1.4720
1.8780
2.3520
2.6040

Sczepanski, Erica
Linear Regression Project
Introduction
This is an observational study aimed at smoking and nonsmoking groups. The
goal of this project is to assess the significance of pulmonary function (measured
by FEV or forced expiratory volume) of c

STAT 219 Linear Regression Project
Part II Statistical Analysis Due Day 5 of Week 4
1. Run relevant descriptive statistics and graphs using Minitab. (no more than 30% of the paper)
Create a histogram for each of the quantitative variables.
Create a boxp

Question 1
2 out of 2 points
In order to assess the effects of olive oil on reducing cholesterol, a
researcher sampled 100 people from a small community to determine the
type of oil they used. They each reported to a clinic to have their
cholesterol meas

Question 1
2 out of 2 points
Most armadillos of the genus Dasypus give birth to four monozygotic
young (that is, identical quadruplets). Which of the following is correct?
Selected
Answer:
Correct
Answer:
Response
Feedback:
A random variable measured whi

Question 1
0 out of 2 points
Government data show that 8% of the American population are at least 75
years of age and that about 54% of Americans are women. Also, 11% of
women are at least 75 years of age. What is the probability that a male
is under 75

Week 2 Experiment
Section one: Individual Coin Toss
1st coin Heads
1st coin Tails
2nd coin Heads
14
10
2nd coin tails
10
16
When doing a coin toss we know that the sample is going to be considered random. We know
this because we have no way of predicating