We have n independent observations X1; : : : ; Xn from a continuous distribution, and we want to test the hypothesis that the median of these observations is 100 against the alternative that the median is greater than 100. Let Y be the number of Xi greater than 100. (a) What is the distribution of Y under the null hypothesis

When drawing a trend line for a series of data on a scatter plot, which of the following is true? a. there should be an equal number of data points on either side of the trend line. b. all the data points should lie on one side of the trend line. c. the trend line should not intersect any data point on the plot. d. the trend line must connect each data point on the plot.

What other information do you need to prove triangle dac=bca by asa

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0