Mean and Mode
What is the Key word for Mode?
Most Offen/Frequent/Common
What is the key word for median?
Middle
What is the range of a data set?
Maximum - Minimum
We can find five things on our box plots, what are they?
1) minimum
2) Q1
3) Median
4) Q3
5) Maximum
Where do we find our roots/solutions on quadratic graphs?
{ 3, 2, 1, 5, 1, 6, 1, 0}
1
What is the median of the following set of numbers: {12, 17, 23, 28, 35}?
23
How do we calculate IQR?
Q3 - Q1
The value with the most dots is the __________
Mode
If my the quadratic equation never touches the x-axis, How many solutions does it have?
Zero
Average: Sum of all numbers divided by total amount of numbers
In a dataset with an odd number of values, how is the median determined?
a) It is the mean of the two middle values.
b) It is the value that appears most frequently.
c) It is the middle value when the numbers are arranged in ascending order.
d) It is the average of all the values in the dataset
c) It is the middle value when the numbers are arranged in ascending order.
If a dataset has values {10, 15, 20, 25, 30}, what is its range?
20
In a dot plot, what does each dot represent?
a) A frequency of data
b) A data point
c) A range of values
d) An outlier
b) A data point
How do we represent an axis of symmetry
X = # (a number)
What is the symbol for mean?
X with a bar on top
What is the median of the following data set:
{ 22, 42, 40, 37, 25, 39,}
38
If the first quartile (Q1) of a dataset is 20 and the third quartile (Q3) is 30, what is the IQR?
a) 5
b) 10
c) 20
d) 25
What type of statistical plot displays the five-number summary of a dataset, including the median, quartiles, and outliers?
a) Dot plot
b) Histogram
c) Box plot
d) Scatter plot
c) Box plot
What is the axis of symmetry of x2 + 2x
x = -1
Mr. Smithwick’s friends went bowling last night. They were a team of 5 and here were their scores from last night:
{ 127, 142, 138, 165, 113}
What is the mean of Mr. Smithwick's bowling team
137
Which of the following datasets has a median of 17?
a) {10, 15, 17, 20, 25}
b) {15, 17, 20, 20, 25}
c) {10, 15, 16, 17, 25}
d) {10, 17, 20, 22, 25}
a) {10, 15, 17, 20, 25}
What is the IQR of this data set
{ 0, 2, 3, 4, 6, 8, 9, 11}
(Plug it in)
8.5 - 2.5 = 6
What does the middle line in the box and whisker plots represent?
The median
At the maximum or minimum of the quadratic