Types of Data
Car brands are an example of?
What is Nominal?
What is the median of this data set:
2,3,5,5,6,8,9,9,9,10
What is 7?
A student received a 72 on their statistics exam. The class average on the exam was 76, with a standard deviation of 4. What is this student's z-score?
What is -1?
It is impossible for two events to occur at the same time.
What is mutually exclusive?
The ____ of a line refers to the ration of verticall change ove the hortiztional change.
Grade classifications are an example of?
What is Ordinal?
How do you find the standard deviation of a population?
What is square rooting the variance?
If L is a whole number, the pth percentile is the average of the numbers in ________.
What is position L and the number in position L+1?
If P(A)=0.39 and P(B)=0.62, and P(A and B)=0.41, find P(A or B)
What is 0.6?
Slope intersect form.
y2-y1/x2-x1
The amount of classes you are taking?
Approximately ___% of data will be within one standard deviation of the mean?
What is 68%
Compute the 70th percentile of this data set.
12, 14, 15, 16, 18, 19, 20, 23, 24, 26
____ is the probability that event A will occur given that event B has already occured.
What is the conditional probability?
P(A|B)
Point slope formula.
y-y1=m(x-x1)
The distance between your dorm and the rec?
What is Continuous?
The measure of center that is most sensitive to extreme outliers.
What is the mean?
Find the percentile for 25 in this data set:
9,11,13,14,18,20,24,25,28,30
Determine whether A and B are mutually exclusive.
A: Ten students in a class are freshmen.
B: Ten students in a class have siblings.
What is no?
Find the equation of a line, write the final equation using slope-intercept form.
(-2,9), (5,4)
What is -5/7?
100 students are randomly divided into two groups. One group uses the new study method, while the other continues using their usual study habits. Both groups study for the same amount of time and then take the same test. Is this a randomized or observational study?
What is Randomized Study?
Find the variance of these 6 test scores:
62,69,75,80,85,92
What is 118.17?
A student receives her results for a national standardized test and learns she is in the 85th percentile. Interpret the 85th percentile in the context of this situation.
What is she scored higher than 85% of all people who took the test?
Bob is choosing where to go on vacation. His two choices are: A = New York and B = Mexico. Bob can only afford one vacation. The probability that he chooses A is P(A) = 0.6, and the probability that he chooses B is P(B) = 0.35.
What is the probability of Bob choosing A and B?
What is zero?
The first step to solving a rational equation.
What is to divide by least common denominator (LCD)