Mean
What is the mean of this data set?:
{1 , 4, 3, 8, 8, 0, 2, 4 }
4.125
What is the median of this data set?:
{1, 0, 0, 7, 0, 2, 3}
1
What does mode show?
a. The largest data point.
b. The most rational data point.
c. The most frequent data point.
c. The most frequent data point.
What is the range of this data set?:
{17, 12, 3, 24, 18}
21
List the outlier(s) in this data set:
{3, 2, 0, 0, 42, 5, 4, 100 }
42 and 100
What is the mean of this data set?:
{0.8, 1.4, -1.6, 0.2, -1.1}
-0.06
What is the median of this data set?:
{ -2, 7, 2, -5, 10, -4}
0
What is the mode of this data set?:
{-4, 5, 4, 0, 1, -4, 1, 5, -2, 6, 5, 0}
5
What is the range of this data set?:
{ 0.5, 0.33, 0.4, 0.09, 0.1}
0.41
BONUS QUESTION! (Only 1 team gets the points in this round)
What could this data set represent?:9, 14, 10, 3, 16, 8
Ex: number of siblings, number of pets, temperature, etc.
!!!
Ms. Ahmed records the shoe size of 4 students: 7, 7.5, 7, and 6. She calculates the mean of this data set.
She decides she does not have enough data, so she asks another student, who wears a size 10. How will the mean change?
(Increase, decrease, or no change)
Increase.
If you add in "4" into this data set: {2, 5, 8, 2, 0}, how will the median change? (Increase, decrease, or stay the same)
Increase
What is the mode of this data set?:
{0, 1, 19, -8, 9, 3, -4, -8, 1, 7, -5, 2, -7}
-8 and 1
What is the range of this data set?:
{5, -2, 4, 23, -10}
33
You record how many hours of sleep people get each night. You've calculated the mean to be 7.5 hours.
If the next person you ask says they sleep for 2 hours, how will the mean change? (Increase, decrease, or stay the same)
Decrease. 2 hours is lower than 7.5 hours (the mean)
What is the mean of the data set?:
{-3.2, 15.5, 0, 20.1, -2.5, 4.9, -8.3}
Round to the nearest TENTH. (1.25 -> 1.3)
3.8 (3.785... rounds up!)
What is the mode of this data set?:
{100, 87, 67, 41, 76, 1000, 0}
No mode! (but not 0)
BONUS QUESTION! (Only 1 team gets the points in this round)
What could this data set represent?:
78, 99, 58, 63, 82, 88, 88, 72, 73, 90, 82
!!!