O Indicate what type of statistical analysis you use to answer the following research questions. A group of students take a practice GRE test at the beginning of the semester and then take the real GRE at the end of the semester. Did their scores improve significantly? One sample t-test O Independent t-test O Paired t-test One-way ANOVA O Correlation OCN-Square Question 7 Indicate what type of statistical analysis you use to answer the following research questions. A drug is designed to lower anxiety and is prescribed to 20 participants. Another 20 participants receive a placebo. After 3 weeks, a questionnaire is administered to both groups that measures anxiety on a scale of 1-30. Does the new anxiety drug work? O One sample t-test O Independent t-test Paired t-test O One-way ANOVA O Correlation 1 pts Chi-Square