To find the average of a set of numbers, add up all the items and divide by...
2.
The smallest number
The largest number
The number of items in the set.
4. Multiple Choice
30 seconds
1 pt
What is the range?
The average
The number in the middle
The largest number - the smallest number
The number that appears most often
5. Multiple Choice
3 minutes
1 pt
In order to find the median, the data must be sorted in numerical order.
True
False
6. Multiple Choice
30 seconds
1 pt
When you are trying to find the MEDIAN of a set of data and 2 numbers are left in the middle after putting them in order from least to greatest, what do you do?
List both of the numbers as the Median.
Add the two numbers together and divide by 2.
Pick the one that you want.
Subtract the two numbers.
7. Multiple Choice
1 minute
1 pt
A data set can have more than one mode
True
False
8. Multiple Choice
1.5 minutes
1 pt
Dr. Dre is a dentist. He needs to report on the average number of cavities that his patients have. 1, 0, 1, 5, 0, 3, 4. What is the average number of cavities?
14
2
7
1
9. Multiple Choice
3 minutes
1 pt
At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode. 12,10,10,10,13,12,11,13,10
10
12
10 and 12
No Mode
10. Multiple Choice
3 minutes
1 pt
The heights of some students are given. 158cm 172cm 164cm 164cm 167cm 159cm What is the range of the heights?
13 cm
330 cm
164 cm
14 cm
11. Multiple Choice
3 minutes
1 pt
The number of miles that Jenna cycled each week for a 7-week period is shown: 36, 42, 28, 52, 48, 36, 31 What is the median number of miles Jenna cycled?
24
36
39
52
12. Multiple Choice
1.5 minutes
1 pt
Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Roger's scores?
193
127
60
66
13. Multiple Choice
5 minutes
1 pt
What is the median of this set of data? 10, 90, 80, 60, 50, 40, 70, 30, 20, 100