WorksheetsData Analysis Quiz
Total questions: 10
Worksheet time: 3hrs 30mins
Find the mean: 10, 11, 8, 14, 12, 8, 4, 5
(add all and divide by how many numbers there are)
72
8
9
Find the median of these numbers: 99, 32, 61, 82, 58, 41, 73, 24, 18
(hint: put in order from least to greatest first)
The stem and leaf plot shows the percentage of questions on a Spanish test that were answered correctly by each student in a class.
Which statement is true?
Nine students answered 55% of the questions correctly.
Half the students answered 70% or 75% of the questions correctly.
Eight students answered more than 80% of the questions correctly.
Ten students answered 100% of the questions correctly.
The Stem and Leaf shows how many Jumping Jacks students were able to complete in 3 minutes. What is the Median of this data?
(hint: list the data from least to greatest first)
32
35
40
20
What is the range of the following data set? (Hint: You must re-order the numbers). 4, 2, 2, 6, 7, 6, 5, 3, 1, 2, 4
4
6
2
7
What is the IQR?
The product of Q1 and Q3
The quotient of Q3 and Q1
The difference between Q3 and Q1
The sum of Q1 and Q3
Based on the box plot below, which statements are true?
The minimum age is 18.
The median age is 22.
The maximum age is 24.
The mean age is 19.
