2. WARNING…WARNING… WARNING…WARNING THIS POWER POINT PRESENTATION MAY IMPROVE STUDENT ACHIEVEMENT VIEW AT YOUR OWN RISK!!!! Mean, Mode, Median, Range Mr. Combs

3. Range Click on the question for voice Click here to show solution

4. The range is the highest score minus the lowest score. 103 – 22 = 81 Click here to Go to next question

5. Click here to show solution Mean Click on the question for voice

6. Find the mean (average) How many days were less than 251 Click here to Go to next question 5

7. Click here to show solution Mean Click on the question for voice

8. Microwave: 100 – 25 un-popped = 75 popped Air-Popped: 100 – 35 un-popped = 65 popped Stovetop: 100 – 2 un-popped = 98 popped To find the mean (average), add the number of popped and divide by 3 Click here to Go to next question

9. Jake’s test scores for the first term of chemistry class were 78, 68, 73, 94, and 62. Which of the measures of central tendency would make Jake’s test scores seem as high as possible? You choose Click on the question for voice Click here to show solution

10. Write the numbers in order from smallest to largest 62 68 73 78 94 Median: Middle number; cross out one from the top and one from the bottom until you find the middle number The mode is the number that occurs the most. In this set of numbers, no number occurred more than once. Click here to Go to next question

11. So far in geography class, a student’s quiz scores are 93%, 91%, 83%, and 79%. What score does the student need on the fifth quiz to have a mean quiz score of 88%? All the quizzes have equal weights. A)86.5% A)95% A)94% D) 89% Mean Click on the question for voice Click here to show solution

12. Click here if you got them all right The mean is the sum of a set of numbers divided by the number of numbers in the set Multiply each side of the equation by 5 Combine like terms Subtract 346 from each side of the equation Click here if you need to review these questions

13. This is our Happy Dance