Chapter 1
A subgroup of the entire group to be studied
What is a sample?
A graph where a vertical line can be drawn through the middle of a graph of the distribution and the resulting halves are approximate mirror images
What is symmetric distribution?
The result of a single trial in a probability experiment
What is an outcome?
Identify the type of distribution that uses the mean or average to calculate the probability of events
What is a Poisson distribution?
Where did Mrs. Rogers get her bachelor's degree?
What is Louisiana Tech University
Area code is classified in this category of data
Qualitative
To calculate this, subtract the lowest value from the highest value and divide by the number of classes
What is class width?
These probabilities result from intuition, educated guesses and estimates.
What is subjective probability
The variable that describes probability of failure of an event
What is q?
What is Mrs. Rogers favorite drink?
What is Diet Coke
Temperature is this type of measurement
What is interval?
The class limits of a frequency distribution minus 0.5 is called this
What is class boundaries?
The occurrence of A does not interfere with the probability of the occurrence of B
What are independent events?
A game costs $3 to play and you choose one bill from the bucket. There are 5 $1, 10 5$, 2 $20, and 1 $100. Calculate the expected value of playing once.
What is $7.83?
Who cuts Mrs. Roger's hair?
What is Her mother
Used to observe and measure characteristics of a population
What is an observational study?
A bar graph with categories of quantitative data that is arranged from greatest to smallest
What is a pareto graph?
Find the number of unique permutations for CAREER
What is 180?
Can be solved using 1/p
What is the mean of a geometric distribution?
Where is Mrs. Roger's favorite queso from?
What is Taco Ocho
Involves using sample statistics to draw conclusions about a population
What is inferential statistics?
More than number of standard deviations from a value can be classified as highly unusual
What is 3 standard deviations?
Find the probability that when you select one card from a deck, it is either a king or a spade
What is 4/13?
A student is practicing free throws and has a success rate of 0.3. Calculate the probability that his first shot made is between the fifth and eighth time.
What is 0.1825?
Best teacher ever
Who is Mrs. Rogers?