The Indigo Restaurant receives 18 online customer reviews. They receive six 5-star reviews, seven 4-star reviews, four 3-star reviews, and one 2-star review. What is the average star rating for Indigo Restaurant based on these reviews? Let's be accurate as possible.
Total stars for the 5 - star rating is 6 x 5 = 30 stars. Total stars for the 4 - star rating is 7 x 4 = 28 stars. Total stars for the 3 - star rating is 4 x 3 = 12 stars. Total stars for the 2 - star rating is 1 x 2 = 2 stars. Total stars received is 30 + 28 + 12 + 2 = 72. Average rating is 72 / 18 = 4 stars.
The answer: 4.