The interval estimate of the mean value of y (dependent variable) for a given value of x is defined as? Prediction interval estimate Confidence interval estimate Average regression X vs Y correlation interval
Question
The interval estimate of the mean value of y (dependent variable) for a given value of x is defined as? Prediction interval estimate Confidence interval estimate Average regression X vs Y correlation interval
Solution
The interval estimate of the mean value of y (dependent variable) for a given value of x is defined as the Prediction interval estimate.
Here's a step-by-step explanation:
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In statistics, an interval estimate is used to estimate a population parameter. It provides a range of values within which the parameter is estimated to fall.
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The prediction interval estimate is a type of interval estimate that is used in regression analysis. It is used to predict the range of values that a dependent variable (y) can take for a given value of the independent variable (x).
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The prediction interval takes into account the error term in the regression model, which includes the variability in y that cannot be explained by x. This makes it wider than the confidence interval estimate, which only estimates the mean value of y for a given x.
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Therefore, when we want to estimate the range of values that y can take for a given x, we use the prediction interval estimate.
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Given the level of X, the prediction interval of a response is always wider than the confidence interval of the mean of the response.Question 5Select one:
The difference between the observed value of the dependent variable and the value predicted by using the estimated regression equation is the
Which of the following best describes an interval estimator?Group of answer choicesOnly the population mean has an interval estimator.Interval estimators can be used to draw inferences about a population based on sample statistics.An interval estimator is the same as an interval estimate.An interval estimator is the same as a point estimator.
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