Imagine that a researcher appropriately conducts a two-tailed, independent-samples t test with an alpha level of 0. 05 (5%). The first group has degrees of freedom equal to 19. The second group has degrees of freedom equal to 21. What is the critical value (as a t statistic) that would cut off the upper 2. 5% of the corresponding sampling distribution. Please provide three decimal places when reporting your answer.

When graphing a linear equation that is written in the form y=mx+b, the variable m represents the y-intercept. assuming that b> 0, which of the following best describes how reversing the sign of b would affect the graph? a) the new line will be shifted down b units b) the new line will be shifted down b x 2 units c) the new line will be a perfect reflection across the x-axis d) the new line will be a perfect reflection across the y-axis

Find an equation in standard form of the parabola that passes through (-2, 9), (-4, 5), and (1, 0)

All of the following are typical ways through which to find an apprenticeship except: a. guidance counselor b. trade association c. a vocational school d. job postings