Posts by bjacobs

Total # Posts: 3

The Z -score for the data the point x, using the given population mean and standard deviation. 44. u = 14 o = 3, x = 20

Find the 90% confidence interval for the variance and the standard deviation of the ages of seniors at Oak Park College if a sample of 24 students has a standard deviation of 2,3 years. Assume the variable is normally distribution

. 1/2 x + 1/3y = 1/6 find the slope