Triangles
Unit Circle
Trigonometry
Distribution
Population vs. Sample
100
The sum of the areas of the squares formed on the legs of the triangle equals the area of the square formed on the hypotenuse: a2 + b2 = c2.
What is the Pythagorean Theorem?
100
Circle with a center of (0,0) and a radius of 1.
What is the Unit Circle?
100
The amplitude of graph is _________.
What is 4?
100
This type of distribution gathers most the data in the middle and mean = median.
What is normal distribution?
100
This word lets you know you are talking about a population.
What is all?
200
Solve for the hypotenuse.
What is 13?
200
On the unit circle, the sin of 180 degrees is ___.
What is 0?
200
The period of f(x) = 3sin2x
What is
pi?
200
Type of distribution: mean < median
What is skewed left?
200
Researchers are measuring the growth of 20 similar trees. Ten trees are fed with a liquid nitrogen fertilizer and 10 trees are fed with rain water. Type of data collection method.
What is experiment?
300
Find b.
What is b=24?
300
Find positive conterminal angle of -pi/3
What is
(5pi)/3?
300
Radians to degrees. (Round to the nearest tenths)
(5pi)/7
What is 128.6 degrees?
300
The variables represent: x=______, μ=______, σ=_________.
What is x= value, μ= mean, σ = standard deviation?
300
A national restaurant chain’s owners are trying to decide whether they want to open up a franchise in your town. To help them make this decision, they want to find out how often people in your town go out to eat. A researcher interviews people as they leave a local restaurant. Type of sampling and bias or unbias.
What is bias - convenience sample?
400
Find a.
What is a=28?
400
tan( -pi/3 )
What is −√3 ?
400
Degrees to radians. (Keep as a fraction)
135 degrees
What is
(3pi)/4?
400
Find z-score of the value 850, if the data has been distributed normally with a mean of 900 and standard deviation of 25.
What is z=-2.0?
400
The 40-yard dash times for all football players in the United States are normally distributed with a mean of 5.3 seconds and a standard deviation of 0.3 second. Parameter or statistic.
What is parameter?
500
What is 232 ft?
500
sin(theta) = _ _______
what is
3/root2(10?
500
The other 5 trig function is sinx=7/25.
What is cosx=24/25, tanx=7/24, cscx=25/7, secx=25/24, cotx=24/7?
500
Find the probability of the value being at most 860, if the data has been distributed normally with a mean of 900 and standard deviation of 25.
What is z = -1.6, p = .0548?
500
In a recent survey of 2200 randomly selected U.S. teenagers, 92% said they had a cell phone. Find the margin of error, when n=sample size and find the interval of confidence.
Interval of confidence = % ± margin of error%
What is margin of error = 2.13%, and interval of confidence = (89.87,94.13)?