Which of the following is an assumption required by the chi-square test? A norma
ID: 3226089 • Letter: W
Question
Which of the following is an assumption required by the chi-square test?
A normally distributed population
Random sampling
Standard deviation equal to 1.0
No extreme or outlying observations
2)
Which of the following statements summarizes statistical independence?
The idea that two variables are unrelated in the population.
The difference between the observed frequencies and the expected frequencies in a bivariate table.
The strength of the relationship between the dependent variable and the independent variable.
The probability that the dependent variable will be ignored
A normally distributed population
Random sampling
Standard deviation equal to 1.0
No extreme or outlying observations
2)
Which of the following statements summarizes statistical independence?
The idea that two variables are unrelated in the population.
The difference between the observed frequencies and the expected frequencies in a bivariate table.
The strength of the relationship between the dependent variable and the independent variable.
The probability that the dependent variable will be ignored
Explanation / Answer
1)The assumption required by the chi-square test is that the population distribution is normally distributed.
2)Statistical independence is best summarised by the statement
The idea that two variables are unrelated in the population.
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