PISCES

What term is used to describe a characteristic or attribute that can take on different values?

• Parameter

• Constant

• Variable

• Data Point

What term is used to describe a function that assigns probabilities to each possible value of a discrete random variable?

• Probability Mass Function

• Probability Density Function

• Random Variable Function

• Discrete Probability Model

What are the possible outcomes for a random variable when four light bulbs are tested at random where Y is the number of faulty light bulbs?

• 0,1,2

• 1,2,3,4

• 0,2,3,4

• 0,1,2,3,4

What is the total probability of all possible outcomes of a discrete random variable?

• 0

• 1

• 2

• 3

How are the variance and standard deviation related in the context of a discrete probability distribution?

• The standard deviation is the square of the variance.

• The variance is the square of the standard deviation.

• The standard deviation is the square root of the variance.

• Variance and standard deviation are independent of each other.

What do you call the shape of a normal curve that has elongated tails which extend to positive and negative infinity along the x-axis?

• Almond shape

• Orange shape

• Bell shape

• Avocado shape

What is the sampling technique where the population is divided into distinct groups and random samples are taken from each group?

• Simple random

• Systematic

• Stratified

• Cluster

What do you call the measurement or quantity that describes the population?

• Statistic

• Parameter

• Variable

• Decimal

What term is used to refer to a characteristic or attribute of a sample?

• Statistic

• Parameter

• Variable

• Data

What do you call the frequency distribution using the means of computed from all possible random samples of a specific size taken from a population?

• Sampling Mean of population

• Sampling Distribution of sample means

• Probability Max Function

• None of the above