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Regression and Correlation An agent would like to predict the monthly rental cost for apartments, based on the size of the apartment, as defined by square footage. The agent selects a sample of 25 apartments in a particular residential neighborhood and gathers the data shown in the table. Size (Square feet) Rent (Dollars) 850 950 1450 1600 1085 1200 1232 1500 718 950 1485 1700 1136 1650 726 935 700 875 956 1150 1100 1400 1285 1650 1985 2300 1369 1800 1175 1400 1225 1450 1245 1100 1259 1700 1150 1200 896 1150 1361 1600 1040 1650 755 1200 1000 800 1200 1750 a) Find the correlation coefficient. Is it strong or weak? Positive or negative?
Run the Regression function from the Data Analysis tools and use the results to answer the following questions:
b) Find the equation of the regression line.
c) Find the slope, and interpret its meaning.
d) Compute the coefficient of determination, R Square, and interpret its meaning.
e) Compute the standard error of estimate, and interpret its meaning.
MATH1550H: Assignment: Question: A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..
MATH1550H: Assignment: Question: what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?
MATH1550H: Assignment: Question: Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form
MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?
MATH1550H: Assignment: Questions: Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.
Caselet on McDonald’s vs. Burger King - Waiting time
Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.
Problems on Sampling Variability and Standard Error and Confidence Intervals
Estimate the population mean
Conduct a marketing experiment in which students are to taste one of two different brands of soft drink
Find out the probability
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