Practice: SAT-ACT-EST from Khan Academy: Determine The Effects of Changing A data Set.(Range)

Practice: SAT-ACT-EST from Khan Academy: Determine The Effects of Changing A data Set (Range).
The Minimum value of a data set consisting of 15 positive integers is 29. A new data set consisting of 16 positive integers created by including 22 in the original data set. Which of the following measures must be 7 greater for the new data set than for the original data set?