The Excel file Baseball Attendance shows the attendance in t

The Excel file Baseball Attendance shows the attendance in thousands at San Francisco Giants baseball games for the 10 years before the Oakland A

Baseball Attendance

		0 = San Francisco Giants (1958-1967 seasons)
Year	Attendance	1 = Giants plus Oakland A\'s after A\'s move to Oakland (1968-1978 seasons)
1958	1273	0
1959	1422	0
1960	1795	0
1961	1391	0
1962	1593	0
1963	1571	0
1964	1504	0
1965	1546	0
1966	1657	0
1967	1242	0
1968	1674	1
1969	1652	1
1970	1519	1
1971	2021	1
1972	1569	1
1973	1835	1
1974	1366	1
1975	1601	1
1976	1408	1
1977	1196	1
1978	2267	1

Calculate the mean and standard deviation of the number of baseball fans attending before and after the A