Reference no: EM13917766
The following table gives information on ages cholesterol levels for a random sample of 10 men ?
|
Age
|
58 69 43 39 63 52 47 31 74 36
|
|
cholesterol
|
189 235 193 177 154 191 213
165 198 181
|
A. Taking age as an independent variable and cholesterol level as a dependent variable compute . .
B. Find the regression of cholesterol level on age
c. Briefly explain the meaning of the values of a and b calculated in part b
d. calculate r and and explain what they mean
e. plot the scatter diagram and the regression line
f. predict the cholesterol level of a 60-year-old man
g. compute the standard deviation of errors
h. construct a 95% confidence interval for B
i. test at the 5% significance level if B is positive
j. Using a = 025. Can you conclude that the linear correlation coefficient is positive ?
|
A pension fund manager is considering three funds
: A pension fund manager is considering three funds. The first is a stock fund, the second is a long-term government and corporate bond fund, and the third is a T-bill money fund that yields a sure rate of 3%. The probability distributions of the risky..
|
|
Newly formed electronics services corporation
: Newly formed Electronics Services Corporation has 100,000 shares of $10 par common stock authorized. On March 1, 2013, Electronics Services issued 20,000 shares of the stock for $12 per share.
|
|
Switch configured for three different vlan
: A switch has been configured for three different VLANs: VLAN2, VLAN3, and VLAN4. A router has been added to provide communication between the VLANs. What type of interface is necessary on the router if only one connection is to be made between the..
|
|
Companies may have exposure to foreign exchange risk
: Due to globalization, companies may have exposure to foreign exchange risk, as unexpected change of exchange rate may affect the settlement of contracts and firm value. Answer the following questions related to foreign currency exposure. List two maj..
|
|
Find the regression of cholesterol level on age
: Taking age as an independent variable and cholesterol level as a dependent variable compute . Find the regression of cholesterol level on age
|
|
Steps of a utilitarian analysis
: Although you should go through the steps of a utilitarian analysis before you write the paper, the paper should not list all the steps. Rather, in writing your paper assume you are writing for a general audience (many of whom may disagree with yo..
|
|
Characteristics of the two levels of management
: Characteristics of the Two Levels of Management Information Systems (MIS) describe characteristics of the two levels of management information systems. Also, what is the feedback control model and executive dashboard? Why are they so important?
|
|
Area between the curves on the given interval
: Find the area between the curves on the given interval. Find the area between the curves on the given interval.
|
|
Calculate how far above the top of window the pot fell from
: A precarious flower pot takes exactly 0.30s to fall pas an apartment window that is 1.8m tall. Calculate how far above the top of the window the pot fell from.
|