QUESTION 24 A researcher tested differences in weight due to gender and age. Which statistical test would be appropriate for data analysis? independent-groups t test O one-way ANOVA O two-way ANOVA O Wilcoxon signed-rank testQUESTION 6 Two graphical displays are given for a set of data. A hypothesis test is to be performed for the mean of the population from which the data were obtained. Use the graphs to determine whether a z-test, a t-test, a Wilcoxon signed-rank test, or none of these is appropriate. A normal probability plot and a stem-and-leaf diagram of the data are given below. o is unknown. Which procedure is appropriate? Normal Score 3 21 1 - 1 -21 -3- 20 30 40 50 60 70 80 90 100 Test Score 24 3 4 2 5 25 6 057 7 12579 O t-test O O Wilcoxon signed-rank test O None of these tests is appropriate.10. The before-and-after experimental design falls under which of the following categories? a. pre-experimental research b. natural Experiments c. quasi-experimental research d. true experiments1 pts Includes both questionnaires and interviews O Field Experiment O Case Study Observational Study O Survey O Secondary Data Analysis O Correlational Study O Laboratory Experiment Natural Experiment Previous