Statistics (Chapter 1)
Arithmetic and Equations
Lines
Probability
Wildcard
100
What is the mean of the following series: 0,0,0,21,0,0,7
4
100
Multiply: 5/2 * (1 + 3/2)
25/4
100
Is it possible to draw a line that includes the following points: (-50,17) and (10,-73)
Yes
100
With a mean value of 40 and a standard deviation of 2, what value would have a z score of -5
30
100
What day of the week is the 4th of July this year?
Thursday
200
Which is larger for the following dataset, the Mean, Median, or Mode? 1,2,1,5,9,521,12,12,2,1
Mean
200
Simplify: SqRt(108)
6*SqRt(3)
200
Which is the form can be used to find the slope between two points? A. m = (y1-y2)/(x1-x2) B. m = (y-b)/x C. m = (y2-y1)/(x2-x1) D. All of the above E. None of the above
D
200
The amount of money a person carries in their wallet is normally distributed with a mean of $20 and a standard deviation of $10. What percentage of people carry more than $25 in their wallet
31%
200
The final composes what percentage of your class grade?
20%
300
The first five students to take a test averaged 80%. The sixth student scored 20%. What is the new class average?
70%
300
Simplify the inequality: -2/3*x + 16 < 2x
-8/3*x < -16 x > 6
300
Are these lines parallel? What are their slopes? 10x + 3y = 4 and 2y = -8x + 10
Nope m1 = -10/3x m2 = -4x
300
Daniel scored the same on his Math test and his History test, both tests had the same mean score; but he got a higher Z score on his History test; what must have been different?
The history test had a lower standard deviation
300
What do you call a group of crows?
A murder
400
In a set of numbers with a median of 35, an Upper Quartile of 47, and an InterQuartile range of 14; what is the highest value that would qualify as a Lower Outlier
12
400
Solve: x^2 + 3 = 5x
x = [5 +- sqrt(13)] / 2
400
Give the equation for a line that is perpendicular to: y = 5x-2 and intersects it at the point: (1,3)
y - y1 = -1/5 * (x - x1) y - 3 = -1/5 * (x - 1) y = -1/5 * x + 1/5 + 3 y = -1/5 * x + 16/5
400
Janet eats 15 hamburgers a year. This is more than 19% of the population. With a standard deviation of 10, how many hamburgers does the average person eat each year?
23.8
400
How do you spell Mr S's last name?
Skalenakis
500
DRAW a boxplot for the following data (complete with numberline) 16,12,1,15,13,10,7,4,2,14,3,5,6,9,8,11
[1,4.5,8.5,12.5,16]
500
Factor and solve for x: 3x^2 + 24 = -6x
3(x-4)(x+2)=0 x = 4 or x = -2
500
Is it possible to draw a line that includes the following points: (-50,17), (10,-73), (0,-58)
Yes
500
What is the standard deviation of the following set? 17, 1025
504
500
What is the Capital of Canada?
Ottowa