a Piece of information
what is data
The most common score of a data set.
Mode
What is the range?
66 - 1 = 65
What do the dots represent?
Rating of Internet Cats
What type of graph is this? and according to graph Which is the least popular pet ?
Picture Graph
turtle
An individual who answer the interview .
what is Respondent ?
1.what is Range?
2.What is an outlier?
1 the difference between highest and lowest data
2.An extreme score that is very different from the other scores in a data set.
Which side are the tens? Which side are the ones?
Tens are on the left. Ones are on the right.
How many people were surveyed?
50 people
What type of graph if we use rectangular shapes to represent frequency .
bar graph
Type of data that can take a certain value that you can count .
what is discrete data?
How do I find the mean?
Divide the sum of scores by the number of scores
How many people were surveyed?
47 people
What is the range?
9
It only shows part of a scale. The scale is not regular and does not start at 0. It makes the average price difference much larger.
Name 2 graph we learn to present data .
what is Dot plot and stem and leaf plot ?
How do you find the median?
First arrange numbers smallest and largest. Then cross out scores in pairs of smallest and largest score. The median is either the last score remaining or a sum of the two scores divided by 2.
What is the median?
32
What is the median?
8
Draw a dot plot to represent the following:
A survey of "How long does it take you to eat breakfast?" has these results:
Minutes:0 1 2 3 4 5 6 7 8 9 10 11 12
People: 6 2 3 5 2 5 0 0 2 3 7 4 1
(i.e. 6 people spent 0 minutes)
Enumerate 5 steps in handling data in order
what is
collect > classify >organize >preset >analyze
How do you construct a stem-and-leaf plot? Use a diagram to illustrate your definition.
Construct two columns. The one of the left is the stem and is used to represent the "tens". The one of the right is the leaf and is used to represent the "ones".
The sum of all the data =1,289.
What is the mean write your answer with(2 dec pl)?
27.4255... = 27.43
Calculate the mean to the nearest hundredths if the sum of all the data is 365 and the total respondent is 49.
7.44897..=7.45
Which team performed better? Team Seattle or Team Chicago? Why?
Mean(Seattle) = 12.5
Mean(Chicago) = 12.43
Seattle performed slightly better as it has a higher mean.