Complete the following:
1. The mean price of 5 items is $7.00. The prices of the first four items are $6.50, $8.00, $5.50 and $6.00. How much does the fifth item cost?
2. The range of a set of numbers is 1,362. The greatest number is 2,172. What is the least number?
3. The mean of a set of 7 numbers is 13. What is the sum of the numbers?
4. Find the mode of the following test scores:
89, 78, 91, 82, 75, 89, 84, 95, 89, 93
5. The mean of a set of data is 174.25 and the sum of the data is 1,394. How many numbers are in the set?
6. The grade point averages of 10 students are listed below. Find the median grade point average.
3.15, 3.62, 2.54, 2.81, 3.97, 1.85, 1.93, 2.63, 2.50, 2.80