Find the standard deviation of the population. - The following data are the distances from the workplace (in miles) for the 6 employees of a small business:
14, 4, 13, 4, 9, 2
Assuming that these distances constitute an entire population, f ...
Range, Std. dev., and Variance - The number of cars that travel through an intersection between noon and 1pm is measured for 30 consecutive days. The results of the 30 observations are: 61,62,63,63,64,64,66,66,67,68,68,68,68,69,69,6 ...
Statistics: Calculating z statistic and Probability - A normal population has a mean of 20.0 and a standard deviation of 4.0.
a. compute the z value associated with 25.0
b. what proportion of the population is between 20.0 and 25.0?
stat problem - You want to estimate today's mean temperature, so you make a series of measurements (taken as a sample) throughout the day. The mean of these measurements is 63 degrees Fahrenheit, and their standard ...