Which of the Following Statements About the T-Statistic in Regression

question 22

Multiple Choice

Which of the following statements about the t-statistic in regression is not true?

• A)The t-statistic tests whether the regression coefficient, b, is equal to 0.
• B)The t-statistic is equal to the regression coefficient divided by its standard deviation.
• C)The t-statistic provides some idea of how well a predictor predicts the outcome variable.
• D)The t-statistic can be used to see whether a predictor variables makes a statistically significant contribution to the regression model.

---

Definitions:

Monokurtic

Describing a distribution that has kurtosis similar to that of a normal distribution, indicating the data has moderate outliers or none, and the peak of the distribution is neither flat nor too sharp.

Standard Error

For a sampling distribution (the distribution of scores for a sample), the standard deviation is called the standard error.

Positive Skew

A distribution pattern in data where the tail on the right side of the histogram is longer or fatter than the left side, indicating that the majority of data points lie to the left of the mode.

Chi-square

A statistical test used to determine if there is a significant association between two categorical variables.