11. What is inferential statistics? * 5 points The method of making a generalization about the whole from a part of the data. The method of making a generalization about the part from a whole data set. This how we infer truth from lies in a data set This is how we describe and display data 12. Which of the following is an 5 point= example of a *discrete* sample? * Lengths of fingernails of all students in our school to the nearest 0.01 cm The number of teachers in our school Height of all students in our school to the nearest 0.1 cm The height of the grass on our football field to nearest 1 mm
Addition Rule of Probability
It simply refers to the likelihood of an event taking place whenever the occurrence of an event is uncertain. The probability of a single event can be calculated by dividing the number of successful trials of that event by the total number of trials.
Expected Value
When a large number of trials are performed for any random variable ‘X’, the predicted result is most likely the mean of all the outcomes for the random variable and it is known as expected value also known as expectation. The expected value, also known as the expectation, is denoted by: E(X).
Probability Distributions
Understanding probability is necessary to know the probability distributions. In statistics, probability is how the uncertainty of an event is measured. This event can be anything. The most common examples include tossing a coin, rolling a die, or choosing a card. Each of these events has multiple possibilities. Every such possibility is measured with the help of probability. To be more precise, the probability is used for calculating the occurrence of events that may or may not happen. Probability does not give sure results. Unless the probability of any event is 1, the different outcomes may or may not happen in real life, regardless of how less or how more their probability is.
Basic Probability
The simple definition of probability it is a chance of the occurrence of an event. It is defined in numerical form and the probability value is between 0 to 1. The probability value 0 indicates that there is no chance of that event occurring and the probability value 1 indicates that the event will occur. Sum of the probability value must be 1. The probability value is never a negative number. If it happens, then recheck the calculation.
Question 11 and 12
![8:05 1
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11. What is inferential statistics? *
5 points
The method of making a generalization
about the whole from a part of the data.
The method of making a generalization
about the part from a whole data set.
This how we infer truth from lies in a data
set
This is how we describe and display data
12. Which of the following is an
5 points
example of a *discrete* sample? *
Lengths of fingernails of all students in our
school to the nearest 0.01 cm
The number of teachers in our school
Height of all students in our school to the
nearest 0.1 cm
The height of the grass on our football field
to nearest 1 mm
13. For a strongly skewed right
5 points
distribution, how are the mean and
median different? *
The mean and median are the same
The mean is greater than the median](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd853ce97-d30e-474c-bcbf-da8803d2cd1d%2F387d938d-8490-452f-a993-b9d3fd7e1fe7%2Fnzw8iqk_processed.png&w=3840&q=75)
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