Statistical Questions
What are two things that make a statistical question?
Multiple answers
Asked to a group
All data is to the left side of a dot plot
Skewed right
most popular way to collect data
survey
Shows the middle number
median
How do you find the Range?
Subtract the smallest number from the largest number
How would you change this to a statistical question?
Do yall have pets?
How many pets does each student have?
Most data is in the middle
symmetrical
What is one way to collect data in the natural environment?
observation
Find the median
1,3,3,9,4,5,6
4
How do you find the Q2?
It is the middle number in the data set
True or false
All statistical questions have multiple answers
true
if the data is symmetrical, what does it look like?
Mirrored on both sides
Data collected that is categories instead of numbers
categorical data
find the mode
14,16,21,41,26,16,14,32,14
14
4,5,7,8,10,12,13,15,17
What is the Q1
6
Is this a statistical question
How many pair of shoes do you have?
no
Name the three types of line plots and how the data for each one is distributed
Symmetrical
skewed left
skewed right
What is another word for research
Archival
find the mean
15,18,20,19,22,24,15,18,27
19.8
Find the MAD
2,3,4,3,5,6,7,2
1.5
How many times per week does each student go shopping?
what type of data will be collected
numerical
Most of the data collected is on the lower end of the dot plot. what does that tell us about the distribution
it is skewed right
When more in depth answers are needed
interview
what is the formula to find mean
mean = sum/ number of entries
Find the IQR
12, 13, 16, 14, 13, 12, 13, 16
2.5