Measures of center
Another word for mean
What is average?
This shows a distribution of data values on a number line
What is a box plot?
Is the following question statistical or not statistical?
How long does it take sixth grade students to eat lunch?
Statistical
What is histogram?
Find the mean of the data given:
3, 0, 2, 4, 2, 1
2
The value that occurs the most in a data set
What is mode?
The minimum and maximum values in this data set
80, 74, 83, 81, 84, 83, 71, 73, 76, 81, 76
What are 71 and 84?
Is the following question statistical or not statistical?
When does summer break begin for the schools in the Fort Lee School District?
Not statistical
What is both?
Find the mean in the data given:
42, 42, 23, 75, 64
49.2
The middle data value when values are ordered from least to greatest
What is median?
What is the first quartile within this data set:
80, 74, 83, 81, 84, 83, 71, 73, 76, 81, 76
What is 74?
A ___________ __________ always has variability in responses.
Statistical Question
Organized in rows and columns
What is frequency table?
True or False:
Do the data values need to be ordered from least to greatest when finding the median?
True
The sum of all values of a data set divided by the total number of values in the data set
What is mean?
Median in this data set
80, 74, 83, 81, 84, 83, 71, 73, 76, 81, 76
What is 80?
A ___________ ____________ can be used to display the answers to a statistical question.
Dot Plot
Visually compares frequency
What is histogram?
A data set consists of 2, 2, 3, 4, 5, 5, and 7. If 20 is added to the set. The new value will have little effect on the _________, but it will raise the __________ significantly.
Word Bank: Mean, Median, and Mode
Median; mean
What is the mean, median, and mode of this data set:
12,13,14,15,16,17,18,19,20
What is
mean: 144/9=16
median: 16
mode: no mode
To create a box plot, you need 5 values
What is
minimum value maximum value
median first quartile third quartile
Choose which is a statistical question:
a) What are the ages of the students in this class?
b) How many pennies equal 1 dollar?
A
Numerically compares frequency
What is both?
Which number can be added to the data so that the range of the data will be 55?
56, 81, 54, 47, 45, 94
a) 49
b) 98
c) 39
d) 6
C) 39