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ASHA 777 [7]
2 years ago
15

A realtor is trying to predict the selling price of houses in Greenville (in thousands of dollars) as a function of Size (measur

ed in thousands of square feet) and number of bedrooms (BR). Part of the regression output is provided below, based on a sample of 20 homes. Some of the information has been omitted.
Variable Coefficients Standard Error t-Stat
Intercept 128.93746 2.6205302 49.203
Size 1.2072436 11.439
FP 6.47601954 1.9803612 3.27
a. The estimated coefficient for size is approximately _____.
b. How many predictors (independent variables) were used in the regression?
Mathematics
1 answer:
tester [92]2 years ago
7 0

Answer:

a. The estimated coefficient for size is approximately s  =13.8096595404

b The number of  predictors are 2

Step-by-step explanation:

From the table we can see that

   The standard error of size is  e =  1.2072436

  and the test statistics of size is T_s =  11.439

The estimated coefficient for size is evaluated as

        s=e * T_s

=>    s =1.2072436\cdot 11.439

=>        s  =13.8096595404

The number of predictors are two and this include size and FP

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Answer:

<u>Secant</u>: a straight line that intersects a circle at two points.

<u>Intersecting Secants Theorem</u>

If two secant segments are drawn to the circle from one exterior point, the product of the measures of one secant segment and its external part is equal to the product of the measures of the other secant segment and its external part.

From inspection of the given diagram:

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