Mode & Range
What is the MODE of the following data set?
7, 9, 14, 2, 5, 13, 17, 9, 12, 19
9
What are other words for both "lower extreme" and "upper extreme"?
Minimum and Maximum

How many students have 4 siblings?
1 student
Quartiles divide a data set into ___ equal parts.
2
A data set can have multiple modes.
True
What is the RANGE of the following data set?
13, 15, 17, 18, 19, 22, 24, 26, 28
15
What is the minimum and maximum of the following data set?
12, 16, 17, 2, 11, 14, 19, 6, 7
Minimum: 2
Maximum: 19

How many children do MOST families have?
3
In a box-and-whisker plot, what 3 values are included INSIDE the box.
The 3 quartiles: Q1, Q2, Q3
You MUST find Q1 first, before finding Q2 and Q3.
False.
You must find Q2 first, then find Q1 and Q3.
What is the median of the following data set?
27, 23, 26, 29, 21, 22, 28
26
What is the Q1 and Q3 of the following data set?
24, 22, 27, 21, 25, 29, 26
Q1: 22
Q3: 27

According to the dot plot, how many students took more than 10 minutes to eat breakfast?
5 students
What is the average math test score?
85
To find the range of values in a box plot, you must take the maximum value and subtract the minimum value.
Max - Min
True
What is the MEAN of the following data set?
18, 6, 0, 12, 11, 9, 15, 2, 17
10
What is the median of the following data set?
19, 15, 12, 14, 21, 24
17

How many students spend 2 hours OR LESS on homework per week?
10 students

What is the range of time that the class spent reading last night?
45

On this dot plot, 2 has the lowest frequency.
False.
2 has the HIGHEST frequency.
At Walmart, eggs cost $2.89.
At Publix, eggs cost $4.29.
At Winn-Dixie, eggs cost $3.99.
What is the average cost of eggs among the three stores? (round to the nearest cent)
$3.72
What is the five-number summary of the following data set?
58, 67, 44, 72, 51, 42, 60, 46, 69
Min: 42
Q1: 45
Median: 58
Q3: 68
Max: 72
According to the dot plot, what is the RANGE in hours students slept?
7 hours
On average, who bikes more miles? James or Angie?
Angie
When finding median:
If there are two numbers in the middle, you must add all the numbers in the entire data set and divide by the number of values.
False.
You add all numbers in the data set and divide by the number of values when finding MEAN, not median.