```ruby
class Question < ApplicationRecord
  belongs_to :user
  has_many :boolean_answers
  has_many :integer_answers
  has_many :text_answers

  validates_presence_of :title
  validates_uniqueness_of :title


  def average_rating
    self.integer_answers.reduce(0) {|sum, answer| sum + answer.response }.to_f / self.integer_answers.length
  end

end
```

Create methods to return stats on boolean integer and text responses
user
```ruby
class Question < ApplicationRecord
  belongs_to :user
  has_many :boolean_answers
  has_many :integer_answers
  has_many :text_answers

  validates_presence_of :title
  validates_uniqueness_of :title

  scope :last_seven_days, -> (num) { where(created_at: (Time.now - num.day)..Time.now)}
  scope :last_fourteen_days, -> (num) { where(created_at: (Time.now - num.day)..Time.now)}
  scope :last_twentyone_days, -> (num) { where(created_at: (Time.now - num.day)..Time.now)}
  scope :last_twentyeight_days, -> (num) { where(created_at: (Time.now - num.day)..Time.now)}


  def average_rating
    self.integer_answers.reduce(0) {|sum, answer| sum + answer.response }.to_f / self.integer_answers.length
  end

  def total_tasks_completed
    count = []
    self.boolean_answers.each do |answer|
      if (answer.response == true)
        count << answer.id
      end
    end
    return count.length
  end

  def total_boolean_responses
    self.boolean_answers.count
  end

  def total_integer_responses
    self.integer_answers.count
  end

  def total_text_responses
    self.text_answers.count
  end

end
```
assistant