Statistical Questions
Dot Plots & Histograms
Mean, Median, Mode, & Range
Random
Categorical or Numerical
100
Statistical or not?
What is Little Kitten's favorite color?
Not Statistical
100
What must every dot plot include?
Title
Measurement
Dots
Numbers/Intervals
Number Line
100
What is the mode of the data set?
{4, 8, 0, 3, 1, 0, 1, 3, 4, 1, 2}
1
100
What is the median of the data?
6
100
Is this dataset categorical or numerical?
The eye color of each of the 30 sixth graders.
Categorical
200
David owns a clothes shop on Rolling Street. Which of the following is a statistical question that David can be asked?
a.) How many shirts did he sell last week?
b.) What is the minimum cost of a shirt?
c.) The shirts of which color sell the most?
d.) How many shirts did he sell each day this week?
D
200
What is the distribution of the data?
Skewed right
200
What is the range of the data set?
{4, 8, 0, 3, 1, 0, 1, 3, 4, 1, 2}
8
200
What would the outlier(s) of this data set be?
3, 8, 9, 11, 12
3
200
Hours of sleep on a school night for each of the 30 sixth graders.
Numerical
300
Categorical or Numerical?
What are the heights of all 6th graders in the school?
statistical
300
How many people slept 10 or more hours?
7 people
300
What is the median of the data set?
{4, 8, 0, 3, 1, 0, 1, 3, 4, 1, 2}
2
300
Say you collect data on the average amount of time that someone takes getting ready in the morning.
Results: 1 minute, 2 minutes, 30 seconds, 3 minutes
What integer would you use to represent 30 seconds as an interval on a dot plot?
A.) 0.30
B.) 30
C.) 0.3
D.) 0.5
D
300
Numerical or Categorical?
How old are the cards in the collection?
Numerical
400
How many points did the soccer team score last game?
not statistical
400
The peak of the data is found in which range?
30-39 kg
400
What is the mean of the data set?
{4, 8, 0, 3, 1, 0, 1, 3, 4, 1, 2}
**Round to the tenths place**
2.5
400
What are the four possible shapes of data distribution
Symmetric
Approximately Symmetric
Left Skewed
Right Skewed
400
Size of fish in a lake
ex.) (medium, small, small, medium, large)
categorical
500
Come up with a statistical question
...
500
How many dogs weigh at least 29 kilograms?
44 dogs
500
Zack has scores of 62, 75, and 90 on his first three math tests. What does he need to score on his fourth test in order to have a mean of 80 on all four tests?
93
500
Give the 5- number summary of this box and whisker plot.
Ex,) Min, Quartile 1, Median, Quartile 3, Max
Min.) 2
Q1.) 5
Median) 6
Q3.) 10
Max) 15
500
Determine whether it's numerical or categorical.
Then rewrite the question to make it the opposite.
How many languages does a typical 6th grader speak?
numerical
Ex.) What language does the typical 6th grader speak?