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# Probability and Statistics

# Mean/Average Exercises

### Example 1

Find the mean for the following set of data: 10, 3, 5, 6.

### Example 2

Find the mean for the following set of data: 12, 14, 15, 15, 15, 17.

### Example 3

Find the mean for the following set of data: 54, 66, 78, 80, 82, 84, 84, 90, 93.

### Example 4

Find the mean for the following set of data: 0, 1, 1, 0.

### Example 5

Find the mean for the following set of data: .

### Example 6

Jen has $10, Connie has $15, and Elsa has $2. What is the average amount of money each person has?

### Example 7

Xavier has 5 cats, Joann has 10 cats, Randy has 12 cats, and Betty has 1 cat. On average, how many cats does each person have?

### Example 8

Corinne bought three boxes of tea for $7 each and five boxes of tea for $5 each. What was the average price of one box of tea?

### Example 9

Tanya plans to paint her house using two different kinds of paint. She needs 10 gallons of paint costing $2 per gallon, and 5 gallons of paint costing $5 per gallon. How much will she spend, on average, per gallon of paint?

### Example 10

Parker has four different piggy banks: one each for pennies, nickels, dimes, and quarters. If there are twenty coins in each of his four piggy banks, what is the average amount of money contained in each piggy bank?