Statistical Question
What is a statistical question?
Something that has more than one answer; variation
Another word for the mean is...
average
In a box and whisker plot, what do the whiskers represent?
The minimum and maximum
The answer to a division problem.
What is a quotient?
In a Box and Whiskers Plot what is the percentage of the data displayed from Q1 to Q3?
50%
What is a non-statistical question?
Something that has one answer; no variation
How do you calculate the mean of a data set?
Add up the numbers and divide by how many numbers.
What does the line in the middle of the box in a box and whisker plot represent?
median
72 divided by 8
9
What are two ways to measure the center of a data set?
mean & median
Is the following a statistical question or not: What time is school today?
Not statistical
What is the median of the following data set: 11, 13, 13, 11, 13
13
Identify the median of the following data set: 3, 1, 3, 7, 5, 2, 3, 6, 3
median = 3
316/8
39.5
What is it called when there is a number in a data set that is far away from the rest of the data?
An outlier
Is the following a statistical question or not: Students rated their school subjects in order from most favorite to least favorite.
Statistical
What is the mean of the following data set: 0, 5, 4, 8, 3
4
Identify the minimum and maximum values of the following data set: 12, 14, 12, 14, 10, 11, 15, 13, 13, 11, 12, 12, 7, 14, 17
minimum = 7
maximum = 17
516.5/2.5
206.6
List at least one way you can describe the variability in a data set.
range, IQR, or MAD
Is the following a statistical question or not: How tall are students in the 6th grade?
statistical
What is the mean of the data set: 27, 26, 25, 20
24.5
Identify the first and third quartile of the following data set: 40, 45, 55, 60, 65, 70, 75
1st quartile = 45
3rd quartile = 70
A factory produces 1,200 toys and packs them into boxes with 25 toys each. How many boxes are needed?
48
Find the IQR of the following data set: 10, 20, 35, 45, 45, 50
IQR = 25