2. Does social class (CLASS) have an effect on whether individual happiness levels (HAPPY)? Subjective class identification * General happiness Crosstabulation General happiness VERY PRETTY NOT TOO НАРPY НАРPY НАРPY Total Subjective class LOWER Count 36 110 65 211 identification CLASS % within General 5.2% 8.4% 19.5% 9.1% happiness WORKING Count 274 598 148 1020 CLASS % within General 39.5% 45.9% 44.3% 43.8% happiness MIDDLE Count 344 556 117 1017 CLASS % within General 49.6% 42.6% 35.0% 43.6% happiness UPPER Count 39 40 4 83 CLASS % within General 5.6% 3.1% 1.2% 3.6% happiness Total Count 693 1304 334 2331 % within General 100.0% 100.0% 100.0% 100.0 happiness % Chi-Square Tests Asymptotic Significance (2-sided) Value df Pearson Chi-Square 82.212a .000 Likelihood Ratio 75.164 .000| Linear-by-Linear 64.545 1 .000 Association N of Valid Cases 2331 a. O cells (0.0%) have expected count less than 5. The minimum expected count is 11.89.
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.
Two-Way Chi Square Problem
According to the graphs inserted below does social class (CLASS) have an effect on whether individual happiness levels (HAPPY)?
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