Question: How many total reason for change are listed corresponding to the successor Leonard B. Jordan (R)?
SQL: SELECT COUNT("Reason for change") FROM "1-1802522-3" WHERE "Successor" = 'Leonard B. Jordan (R)';

Question: What state had November 30, 1962 as the date of the successors formal installation?
SQL: SELECT "State (class)" FROM "1-1802522-3" WHERE "Date of successors formal installation" = 'November 30, 1962';

Question: How many vacant seats were filled by newcomer Joseph H. Bottum (R)?
SQL: SELECT COUNT("Vacator") FROM "1-1802522-3" WHERE "Successor" = 'Joseph H. Bottum (R)';