1. VOCABULARY CHECK Prerequisite Skills Copy and complete using a review word from the list: data, mean, median, range, outcome, probability of an event. 1. When you flip a coin, heads and tails are the two possible ?. ANSWER outcomes 2. Find the sum of the values of a set of data and then divide by the number of data values to find the ? of the data. ANSWER mean

2. VOCABULARY CHECK Prerequisite Skills 3. The ? is a measure of how likely it is that the event will occur. ANSWER probability of an event

3. Prerequisite Skills 4. 23, 27, 13, 24, 19, 21, 25, 25, 12 ANSWER Mean: 21, Median 23 5. 0.2, 0.35, 1.33, 1.32, 0.05, 0.5 ANSWER Mean: 0.625, Median: 0.425 Find the mean and the median of the data set. SKILL CHECK

4. Prerequisite Skills 6. You roll a number cube and get a number greater than 4. 7. You randomly choose the letter A from a bag holding the eight lettered tiles that spell ARKANSAS. Find the probability of the event. SKILL CHECK ANSWER 1 3 3 8