Which of the following statements about the t-statistic in regression is not true? The t -statistic is equal to the regression coefficient divided by its standard deviation. The t -statistic tests whether the regression coefficient, b , is equal to 0. The t -statistic tests whether the regression coefficient, b , is equal to 0. The t -statistic can be used to see whether a predictor variables makes a statistically significant contribution to the regression model.

Acertain standardized? test's math scores have a? bell-shaped distribution with a mean of 520 and a standard deviation of 105. complete parts? (a) through? (c)

Abdul is making a map of his neighborhood he knows the following information: his home, the middle school, and high school are all on the same street. his home, the elementry school, and his friends house are on the same street. the angle between the elementary school, middle school, and his home is congruent to the angle between his friends house, the high school, and his home. what theorem can abdul use to determine the two triangles are similar? a- side side side similarity theoremb- angle angle similarity theoremc- corresponding parts of similar triangles are congruentd- pieces of right triangles similarity theorem

On a parallelogram, the vector from one vertex to another vertex is (9,-2). what is the length of the side? •7•√85•18•85