Here are the ages of the 11 people who are attending a party: 10, 14, 14, 14, 15, 15, 17, 18, 29, 31, 47. One of the partygoers' great-grandfather, who is 95 years old, arrives late to the party. Select whether the value of each statistic for the ages increases, decreases, or cannot be determined when the great-grandfather's age is added.