pls show how to set it up

The maximum daily temperature (in F) for Chicago and San Francisco during the month of August 2009 are given in the vectors below (data from the U.S. National Oceanic and Atmospheric Administration) TCH = 175 79 86 86 79 81 73 89 91 86 81 82 86 88 89 90 82 84 81 79 73 69 73 79 82 72 66 71 69 66 66] TSF = (69 68 70 73 72 71 69 76 85 87 74 84 76 68 70 75 68 68 73 72 79 68 68 69 71 70 89 95 90 66 69] Write a program in a script file to answer the following: (a) Calculate the averago temperature for the month in each city. (b) How many days was the temperature above the average in each city? (c) How many days was the temperature in San Francisco lower than the tomperature in Chicago (d) How many days was the temperature the same in both cities