report_results.html.erb

    <%# Total number of tickets for this customer by time frame -%>
    <table>
      <thead>
        <tr>
          <th>Timeframe</th>
          <th>Opened</th>
          <th>Closed</th>
        </tr>
      </thead>
      <tbody>
        <% Timeframe.all.map{|t| {:name => t.name, 
                                  :total => @tickets.select{|t| t.timeframe_id == timeframe.id }.size, 
                                  :closed => @tickets.select {|t| t.timeframe_id == timeframe.id }.select { |t| t.closed? }.size}}.each do |timeframe| -%>
        <tr>
          <td><strong><%= timeframe[:name] %><strong></td>
          <td><%= timeframe[:total] %>
          <td><%= timeframe[:closed] %>
        </tr>
        <% end -%>
        <tr>
          <td><strong>Totals</strong></td>
          <td><%= @tickets.size %></td>
          <td><%= @tickets.select(&:closed?).size %></td>
        </tr>
      </tbody>
    </table>
    <br />
    <br />
    <%# Total number of tickets for this customer by type -%>
    <table>
      <thead>
        <tr>
          <th>Type</th>
          <th>&nbsp;</th>
        </tr>
      </thead>
      <tbody>
      <% @ticket_type_and_tickets_size do |t| -%>
        <tr>
          <td><strong><%= t[:name] %></strong></td>
          <td><%= t[:size] %>
        </tr>
      <% end -%>
      </tbody>
    </table>

report_results_controller.rb

class ReportsController < Blah
  #...
  def report_results
    #...
    @tickets = whatever
    @ticket_type_and_tickets_size = TicketType.all.map{|tt| { :name => t.name, :size => @tickets.select{ |t| tt.id == t.ticket_type_id}.size } }
    #...
  end
  #...
end