Valid Conclusions
Valid conclusions must be free of this four-letter word
What is a bias?
The type of study that requires a treatment to happen to a test group
What is an experiment?
The complement of "I will wear a dress tomorrow"
What is "I will NOT wear a dress tomorrow"?
The linear regression form
What is y1~ax1+b?
(x+6) is a factor of f(x), so f of this number equals zero
What is -6?
The results from a school survey in which the class president asked her friends on average how many hours they study each night are not valid because of this reason
What is she only asked her friends and they don't represent the entire school?
The type of study where several people are selected to answer a given set of questions
What is a survey?
The probability of randomly selecting a tank top and shorts to wear if you have to choose from a tank top, short sleeve, or long sleeve, and shorts or pants.
What is 1/6?
The exponential regression form
What is y1~ab^x1?
These ordered pairs are solutions to the system of equations: y=x^2-9 and y=x-3 because that's where they intersect each other
What are (-2, -5) and (3, 0)?
The bias that occurs when a store asks its first 20 customers on Saturday morning when their favorite time to shop is
What is a convenience sample - asking the first 20 people?
The type of study described here: 10 mice are given a new vaccine and 10 mice are not given the vaccine, then researchers record which mice develop symptoms
What is an experiment?
Drawing a blue marble, putting it back, then drawing a red marble are this type of events
What is independent?
The quadratic regression form
What is y1~ax1^2+bx1+c?
The first step in solving 3(2)^x=12
What is divide both sides by 3?
A coin could potentially be this if it is only flipped 5 times instead of 500 times
What is unfair?
The type of study described here: A researcher asks 1,000 people in a randomly selected city if they got a cold last year.
The number of ways for there to be a 1st, 2nd, and 3rd place runner if there are 45 racers
What is 85,140 ways?
The cubic regression form
What is y1~ax1^3+bx1^2+cx1+d?
A box made from a piece of cardboard with V=x(14-2x)(25-2x) has this original length and width.
What is 14 and 25?
The number of times a coin should be flipped to determine if it is fair or not
What is a lot?
The type of study described here: A researcher interviewed 100 people at the beach and classified them as wearing sunscreen or not wearing sunscreen, then checks if they got a sunburn that day
What is an observation?
The probability that a student does not like iced tea, given they like hot tea (Use the venn diagram on the white board).
What is 15/19?
The quadratic function when a=3.5, b=-2.76, and c=54
What is f(x)=3.5x^2-2.76x+54?
The reasonable domain for a box made by cutting the corners off of a piece of cardboard (originally 16x20 inches) and folding up the sides
What is between 0 and 8 inches?