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Mathematics

1 answer:

Tju [1.3M]3 years ago

6 0

Pretty sure the answer is 18

3^2+3^2=9+9=18 (with a square root)

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Which of the following regression models is used to model a nonlinear relationship between the independent and dependent variabl

snow_tiger [21]

Answer:

Option C) Quadratic regression model

Step-by-step explanation:

Quadratic regression model

It is regression model in which states a non-linear relationship between the independent and dependent variables.
It includes the dependent variable and the square of the independent variable.

$\hat{y}= b_0 + b_1x + b_2x^2$

where x is the independent variable and $\hat{y}$ is the dependent variable.

It is also referred to as second-order polynomial model.
It is used when the data shape resembles to a parabola.

Thus, the correct answer is

Option C) Quadratic regression model

6 0

3 years ago

Read 2 more answers

You believe the population is normally distributed. Find the 80% confidence interval. Enter your answer as an open-interval (i.e

victus00 [196]

You intend to estimate a population mean μ from the following sample. 26.2 27.7 8.6 3.8 11.6 You believe the population is normally distributed. Find the 80% confidence interval. Enter your answer as an open-interval (i.e., parentheses) accurate to twp decimal places.

Answer:

The Confidence interval = (8.98 , 22.18)

Step-by-step explanation:

From the given information:

mean = $\dfrac{ 26.2+ 27.7+ 8.6+ 3.8 +11.6 }{5}$