I If the Computed Value of Chi-Square Is Less Than

question 113

Multiple Choice

i. If the computed value of chi-square is less than the critical value, reject the null hypothesis at a predetermined level of significance.
Ii) The alternative hypothesis states that there is a difference between the observed frequencies and the expected frequencies in a goodness-of-fit test.
Iii) There are 2 degrees of freedom for a contingency table classifying three levels of income with each gender.

• A) (i), (ii) and (iii) are all correct statements
• B) (i) and (ii) are correct statements, but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) All statements are false

Apply hypothesis testing to practical scenarios in various fields (e.g., science, business, health).

Critically evaluate the effectiveness of treatments or interventions based on statistical analysis.

Understand the concepts of Type I and Type II errors in the context of hypothesis testing.

Extract and interpret sample statistics (mean, standard deviation, sample size) from research data.