Explain why it is important to look at both your r value and
your scatterplot when...
Explain why it is important to look at both your r value and
your scatterplot when interpreting an interaction as a part of your
answer make sure you give at least one example of how an outlier
can affect a correlation
Explain what the value of R tells you about the scatterplot.
(three or four sentences)
Explain what the value R squared tells you about the model.
(three or four sentences)
Construct a scatterplot, find the value of the linear
correlation coefficient r, find the critical value of r from Table
A-6 by using a 0.05, and determine whether there is a linear
correlation between the two variables.
Song Audiences and Sales The table below lists
the numbers of audience impressions (in hundreds of millions)
listening to songs and the corresponding numbers of albums sold (in
hundreds of thousands). The number of audience impressions is a
count of the number of...
Explain what is meant by the time value of money. Why is it
important? Why is the present value of $100 that you expect to
receive one year from today worth less than $100 received
today?
Explain why student nurses look forward into these 3 facts when
going into the hospital. Explain each one
1. Meeting the patients
2. helping and assist patients to feel better
3. and implementing some of theory that they have learned in
class? (explain each one)
Explain Why these 3 facts make students nurses anxious when
going into the hospital. Explain each one
1. not been competent enough as others in practice,
2. have insufficient communication skills,
3.and building a trust...
Write a couple of sentences to explain why it is useful to
construct a scatterplot graph before using correlation or linear
regression to analyze the relationship between two variables.
(2 points)
What is the expected value of your dependent variable when both
of your independent variables are equal to zero (using your "best"
model)? Does this value make sense practically? Justify your
responses.