Find the distance between a and b. $a = 126, b = 75$

Referring to earlier problem, you have decided to analyze whether there are differences in fixed acidity, chlorides, and pH between white wines and red wines (0 = white 1 = red). Using the data stored in RedandWhite ,

a. Develop a logistic regression model to predict whether the wine is red based on the fixed acidity, chlorides, and pH.

b. Explain the meaning of the regression coefficients in the model developed in (a).

c. Predict the probability that a wine is red if it has a fixed acidity of 7.0, chlorides of 0.04, and pH of 3.5.

d. At the 0.05 level of significance, is there evidence that the logistic regression model developed in (a) is a good fitting model?

e. At the 0.05 level of significance, is there evidence that fixed acidity, chlorides, and pH each make a significant contribution to the model?

f. What conclusions concerning the probability of a wine selected being red can you reach?

In each of the given sentences, underline the subordinate clause.

Have you seen her Portrait of a Young Girl with a Blue Ribbon, which I happen to like?

Suppose X is a normal random variable with $\mu=45$ and $\sigma=3$. Find these values:

$$P(40 \leq X \leq 50)$$

Define consistency

Formulate hypotheses that can be used to determine whether the annual mean number of restaurant meals per person has changed for young millennials in 2012.

Circle the word that modifies the underlined word or word group in each sentence.

Young $\underline{\text{Margaret Simon}}$ talks with God about growing up.

What is the distinction between comparability and consistency?

For a normally distributed random variable x with

$$\boldsymbol { \mu } = 100 \text { and } \boldsymbol { \sigma } = 16$$

, find the probability. x < 140

Find the distance between a and b. a=3, b=9.

Show that the equation

$$x^2+y^2=r^2$$

is invariant under rotation of axes.

The Correlation and Regression applet allows you to animate previous figures. Click to create a group of 10 points in the lower-left corner of the scatterplot with a strong straight-line pattern (correlation about 0.9). Click the "Show least-squares line" box to display the regression line.

(a) Add one point at the upper right that is far from the other 10 points but exactly on the regression line. Why does this outlier have no effect on the line even though it changes the correlation?

(b) Now use the mouse to drag this last point straight down. You see that one end of the least-squares line chases this single point, while the other end remains near the middle of the original group of 10. What makes the last point so influential?

Compute the distance between the points. (x,y,z),(p,q,r)

Find the distance between $(-2,5)$ and $(3,4)$.