Measures of Central Tendency Pretest 2

Here is the worksheet I provided you on Friday. Please answer the questions in a comment. You can also ask questions about anything you need help on here.

Good Luck

1. State 7 prices, where the median is $3.00, the highest price is $20.00 and the lowest price is $1.00.

2. The mean mark on 4 tests is 78%. What mark is needed on the next test to increase the mean to 80%?

3. Julie buys a book, a game, a puzzle, and a piece of computer software at the book fair. The computer software cost $10. Julie claims that the average price of the items she bought is $2.50. Can she be correct? Why or Why not.

4. Mr. Thompson gave a test to six students who were absent. The highest score was 93 and the lowest score was 65. The mean of the test scores was 79. Create a list of six test scores that satisfy these conditions. Explain why your test scores satisfy these conditions.

5. Find the measures of central tendency for the following data sets:


A) 33, 18, 40, 26, 29, 20, 30
B) 20, 50, 20, 50, 17, 15, 25, 50, 25, 15
C) 15, 20, 80, 75, 5, 50
D) 16, 40, 44, 16, 40, 40, 80, 17, 64, 64, 100