A researcher is interested whether music played during a exam will improve performance students in one to music the other class is silent. The set alpha at 0.05 test scores compared using a statistical software. The mean test score for the exam is 95 with music. Without music in silence the score was 82. The p value from the independent groups t test is 0.02 state the null and alternatIve hypothesis. Is it directional or non directional explain why Establish the conclusion of the study based on the p value and the means provided. Describe the Type 1 error of the study