In your random sample of 60 cities, the mean violent crime rate is 1236.26 with a standard deviation kf 812.51. at 99% confidence interval, to estimate the population mean from your sample data, you obtain the following: a. 1236.26 + or - 2.58 (165.24)b. 1269.73 + or - 1.96 (105.52)c. 1236.26 + or - 2.58 (105.52)d. 1269.73 + or - 1.96 (98.23)

The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude

A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.