A) To prove a hypothesis with 100% certainty. B) To estimate the population mean. C) To calculate standard deviation. D) To determine if there is enough evidence to reject a null hypothesis.
A) To collect data from participants. B) To provide a baseline for comparison to the treatment group. C) To analyze the results. D) To administer the treatment to participants.
A) Case-Control Study B) Randomized Controlled Trial C) Cross-Sectional Study D) Observational Study
A) The confidence interval of the estimate. B) The probability of obtaining results as extreme as the observed results, assuming the null hypothesis is true. C) The sample size required for the study. D) The strength of the relationship between variables.
A) To explore the relationship between a dependent variable and one or more independent variables. B) To determine central tendency. C) To estimate population parameters. D) To calculate probabilities.
A) Simple Random Sampling B) Systematic Sampling C) Stratified Sampling D) Cluster Sampling
A) The proportion of true negative results among all individuals without the condition. B) The proportion of false positive results. C) The proportion of false negative results. D) The proportion of true positive results among all individuals with the condition.
A) ANOVA B) Two-Sample t-test C) Chi-Square Test D) Paired t-test |