Mean
/ Mode
/ Mode
Find the mode of the following list of numbers: 280, 350, 320, 400, 350, 490, 590, 470, 280, 410, 350.
350
12, 15, 14, 10, 18. What is the median?
14
Is the number 5/0 rational or irrational?
Undefined
What is the primary difference between causation and correlation?
No, it is incorrect to say that correlation implies causation
Simplify the expression 5x+3x−2x
6x
The ages of a group of friends are: 25, 30, 28, 32, and 35. Find the mean age of the group.
Age is 30
Given the data set: 22, 29, 25, 30, 28. What is the range?
8
Is the decimal 0.333... (repeating) a rational number?
Yes
What are some factors that scientists must carefully control for when designing experiments to avoid confusing correlation with causation?
The strength and direction of a correlation are shown by the statistical correlation coefficient, which ranges from -1 to 1
Simplify the expression 4a+7b−2a+b
2a + 8b
Calculate the mean of the following numbers: 11, 13, 16, 12, 12, 14.
The mean is 13
5, 7, 9, 11. What is the median?
8
the square root of 16? Is it rational or irrational?
Yes it’s rational
A student sleeps 4 hours and makes terrible grades is it correlated
Yes
Simplify the expression 10m−m+4n−6n+n.
9m - n
A dataset has the following values: 21, 23, 25, 21, 22, 25, 21, 24, 23, 22, 21, 23, 24, 22, 23. Find the mode(s) of this dataset.
21 or 23
Given this data set: [3,6,9,12,15]. What is the range?
9
Is the number π considered a rational number
A person reads more books and fails science test is it correlated
Simplify the expression −3p+p+5q−q−q.
-2p + 3q
Find the mean of the following set of numbers: 7, 8, 6, 8, 9.
7.6
4,4,5,6]. What is the median
4.5
example of an irrational number?
Pie
A person doesn't study and gets good grades is it correlated
Yes
12y+y−y+y−y+y2.
12y + y^2