BST Exam Questions With 100% Verified Answers Latest (Graded A+ )

BST Exam Questions With 100% Verified Answers Latest (Graded A+ ). This is used when a conservative approach is desired and an expected cell frequency is less than 5 in a 2X2 table. Selected Answer: Fisher's exact test Answers: Fisher's exact test Cramer's V Yates' correction Regression  Question 21 1 out of 1 points Regression uses the least squares method to fit a model. Selected Answer: Tru e Answers: Tru e False  Question 22 0 out of 1 points This is used to compare means while controlling for the effect of a covariate. Selected Answer: ANOVA Answers: ANOVA RANOVA ANCOVA Dependent t-test  Question 23 1 out of 1 points A nurse researcher wanted to evaluate blood pressure in a set of patients/research subjects at 1, 3, and 6 months. What test would be most appropriate? Selected Answer: RM-ANOVA Answers: Independent t-test ANVOVA RM-ANOVA ANCOVA  Question 24 1 out of 1 points Data which uses number values with an equal distance between values are: Selected Answer: Interv al Answers: Nomin al Ordina l Norma l Interv al  Question 25 1 out of 1 points A group of neonatal nurses wanted to know if there was a difference in mean heart rate between premature babies who were swaddled and babies who were not swaddled. Babies were randomly assigned to swaddling or no swaddling. Which test is most appropriate? Selected Answer: Independent ttest Answers: One sample ttest ANCOVA Independent ttest Logistic regression  Question 26 0 out of 1 points A perfect negative relationship between two variables is expressed as r = - 1 Selected Answer: Fals e Answers: Tru e False  Question 27 1 out of 1 points A Z score of +/-1.96 is equivalent to these values on a normal distribution. Selected Answer: +/-2 standard deviations Answers: Critical region +/-1 standard deviation +/-2 standard deviations +/-3 standard deviations  Question 28 1 out of 1 points The distribution of chi-square values is NOT normally distributed. Selected Answer: Tru e Answers: Tru e False  Question 29 1 out of 1 points Not all variables retained in a regression model are required to be significant. Selected Answer: Tru e Answers: Tru e False  Question 30 1 out of 1 points When examining the relationship between a nominal variable and an interval or ratio variable, you would create a table using the nominal variables, calculate the mode and median of the interval or ratio variable, then make a decision regarding the relationship using the mode and median. Selected Answer: Fals e Answers: True Fals e  Question 31 0 out of 1 points A significant finding with the 2 sample t-test indicates a strong relationship exists between the 2 population means. Selected Answer: Tru e Answers: True Fals e  Question 32 1 out of 1 points The arithmetic average of the data is called the: Selected Answer: Mean Answers: Mean Median Mode Variabili ty  Question 33 1 out of 1 points Positive relationships between two variables indicate that, as the score of one increases, the score of the other increases. Selected Answer: Tru e Answers: Tru e False  Question 34 1 out of 1 points The area of the theoretical distribution where the researcher will reject the null hypothesis is called: Selected Answer: Critical region Answers: +/- 1 standard deviation Semi-quartile range Critical region Standard deviation  Question 35 1 out of 1 points An assumption used by statisticians which states that population parameters are normally distributed: Selected Answer: Central Limit Theorem Answers: Central Limit Theorem Null Hypothesis Statistical significance Standard deviation