Monday, September 22, 2008

Be prepared. Test tomorrow!

Take a short Quiz
or this one

Here are the questions handed out in class today. Some of them will be on your test.

1. Vinnie received a 300 piece jigsaw puzzle for his birthday. The following times indicate how long it took him to complete the puzzle the first six times he did it:
54 min, 36, min, 34 min, 29 min, 27 min, 28 min
  • What is the Range?
  • Which measure of central tendency best shows the average, mean median or mode in theis question.
  • Explain your answer.
2. Create a set of data where you would use the mean to find the average. Now add more data so that a different measure of central tendency would be more accurate now to show the average. Explain your two sets of data.

3. Kenny recorded the number of baskets he made out of ten attempts during each basketball practice. After 9 practices his results were:
4, 7, 5, 6, 3, 7, 2, 3, 7
  • What are the mean median and mode.
  • Which measure of central tendency best describes these data? Explain why.
4. Create a set of 5 numbers that has a mean and median of 6. Show all your work.

5 comments:

Anonymous said...

I DON T GET HOW TO DO NUMBER 2 IT IS GETTING AnNOYING HELP HELP HELP HELP

Anonymous said...

use an outlier on the first set then on the second set replace the outlier so it would be more accurate

Anonymous said...

oops nvm I didn't read the qustion

mark_marquez said...

i dont know how to do this

Anonymous said...

these were pretty easy. :)