Due Sunday by 11:59pm Points 45 Submitting an external tool Extra Credit Practice Test - Chapters 1 - 4 45 points possible 4/45 answered Question 5 Given a set of data that is bell-shaped, there is approximately _ _%% of the data within 1 standard deviations. Fill in the blank with the best answer: Oo O 68 O 75 O 89 O 95 O 99.7 > Next