Statistical or Not
Is this a statistical question?
How many students have Spring birthdays in this class?
No- Only one answer
What is the mode of this data?
4, 5, 7, 7, 7, 8, 8, 8, 8, 9, 9, 10, 12
8
Mean Absolute Deviation, or MAD, is the average _______________ from the mean.
Distance
What percentage of data is in each of the 4 sections of a box and whisker plot?
A. 25%
B. 50%
C. 75%
D. 100%
A. 25%
What would the minimum number be in this data?
5, 10, 15, 20, 25
5
Should a statistical question have a single answer?
No- Multiple or a variety of answers
What is the median of this data?
7, 8, 9, 10, 13, 15, 17
10
True or False: Finding MAD uses the same steps as finding Mean
True- Add all your distances up and divide by how many
Can you find the mean using a histogram?
No- We don't know all of the numbers in our data, just ranges of them
What would the maximum number be in this data?
5, 10, 15, 20, 25
25
Is this a statistical question?
What is the favorite sport of Old Mill students?
Yes- a variety of answers
What is the range of this data?
8, 10, 4, 3, 16, 12, 20, 2, 7
18
A bigger MAD means there is more or less variation in your data?
More variation- numbers are further away from the mean
Is it possible to find the median using a frequency table?
Yes- Arrange the numbers from least to greatest
What would your Q1 (first quartile) of this data be?
1, 2, 3, 4, 4, 5, 6
2
Is this a statistical question?
Does your family have any pets?
No- not a variety of answers
What is the mean (average) of this data?
3, 4, 4, 5, 6, 6, 7, 9, 10
6
A smaller MAD means there is more or less variation in the data?
Less variation- numbers are close to the mean
What is the first step you need to do to make a box plot?
Order the numbers from least to greatest?
What is the Q3 (third quartile) of this data?
1, 2, 3, 3, 4, 5, 6
5
Is this a statistical question?
What is the average time spent on Tik Tok for 6th grade students at our school?
Yes- a variety of answers
What is the average grade for a student who's grades are: 62, 70, 80, 66, 92
74
If the mean is 30, what would the MAD be for this data set?
27, 28, 30, 30, 30, 31
1
Name 3 measures of center that you can find or calculate by looking at a dot plot
Mean, Median, Mode
What does IQR stand for?
Inter Quartile Range