Question

In logistic regression, the predictors are dichotomous, and the outcome is a continuous variable.

True
False

A researcher decides to take a random sample of the population and determine the ALT levels of the population, which fall on a continuum. A bar chart would be useful in determining if the ALT levels of the population are normally distributed.

True

False

The margin of error is always greater than or equal to the standard error.

True

False

Answer 1

1. In logistic regression, the predictors are dichotomous, and the outcome is a continuous variable.

Answer is False

Because outcome of logistic regression is binary i.e 0 or 1. Dependent variable is continuous not the outcome.

2. A researcher decides to take a random sample of the population and determine the ALT levels of the population, which fall on a continuum. A bar chart would be useful in determining if the ALT levels of the population are normally distributed.

Answer is False.

Bar chart is preferred for discrete data.

Here, the ALT levels is a continuous data.

3. The margin of error is always greater than or equal to the standard error.

Answer is False.

Because Formula for margin of error:

Margin of error= z*standard error

We know that,

The critical value (Z) may be negative for one. But standard deviation is always positive or zero.

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