Vocabulary Review
This process has 4 steps and includes
- Formulate Statistical Questions
- Collect Appropriate Data
- Analyze the Data Graphically and Numerically
- Interpret the results of the analysis
What is the statistical process.
What is the mean of this data set?
- 61, 57, 63, 62, 60, 64, 60, 62, 63
Round to the nearest tenth.
61.3
Is this a statistical question?
- How old am I?
What is No
areas where data are grouped together
What is clusters
What is the five number summary of this data:
7, 8, 3, 5, 10, 5, 9, 4, 6
Minimum: 3
Q1: 5
Median: 6.5
Q3: 9
Maximum: 10
the researcher collects data by observing the variable of interest
What is observational study
What is the range of this data
- 15, 20, 25, 30, 50
What is 35
Is this a statistical question?
- How old are the students in my school?
What is Yes
areas where there are no data
What are gaps
What is the five number summary of this data?
- 1, 1, 2, 4, 7, 9, 9, 10, 11, 12, 13
Minimum: 1
Q1: 3
Median: 9
Q3: 11
Maximum: 13
the researcher imposes a condition and observes the results
What is experiment
What is the Mode(s) of this data
- 30, 25, 0, 20, 40, 50, 40, 0, 25, 40, 25, 60, 75, 45
What is 40 and 25
Is this a statistical question?
- On average, how old are the dogs that live on this street?
What is Yes
values that contain more data points than the values on either side.
What faction of data is represented between the minimum and Q1?
What is 1/4
you ask people one or more questions
What is the median of this data?
- 0, 10, 25, 40, 40
What is 25
What type of data would you collect from this statistical question?
- What kinds of sports do 6th Graders prefer?
What is Categorical
data that lie far from other the other data.
What are outliers
What fraction of the data is represented from the median to the minimum or median to the maximum?
What is 1/2
This is the value or values that occur most frequently within a data set.
What is mode
How do you find the IQR?
You subtract Q3 from Q1.
What type of data would be collected from this statistical question?
- What grades did students earn on their last math test?
What is quantitative?
Put this data on a dot plot. Please label the following
- Cluster, Gap, Outlier, Peak
0, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 3, 3, 4, 6, 6, 6, 10
Cluster: 1-2s
Gap: 5
Outlier:10
Peak: 1
What does the left and right whiskers represent in a box-and-whisker plot?
The right whisker represents the upper quarter of the data.
The left whisker represents the lower quarter of the data.