The results of the Unit 1 Biochemistry quiz are plotted below. Error bars represent + 2SEM. 54 52 50- Took Chemistry 1- Average Score 48 2 46 Took AP Chemistry Took Biology 1-2 44 42 Test Mean SEM + 2SEM Confidence interval Chemistry 1-2 49.0 0.875 AP Chemistry 52.0 1.5 Biology 1-2 48.4 1.0 Twoled chong c. Based upon the statistical evidence, I reject / fail to reject (circle one) the null hypothesis. d. Using evidence from the quiz results, determine whether previous science enrollment influences the results of the biochemistry quiz. Justify your answer. gal nop Mean, Standard Deviation, and Standard Error of the Mean My-Nga Ingram 2022-4-6Application Check 1: A typical college assessment. Three college professors independently develop three different multiple choice freshmen biology final exams. The results for the three classes of 500 students are graphed above. Source: https://evolutionistx.wordpress.com/2016/05/24/on-overlapping-bell-curves-and-the-irony-of-being-an-outsider/ a. Based upon the average (normal) of each exam, you claim Exam A / B / C (circle one) was the hardest and Exam A / B / C (circle one) was the easiest for most students. Provide evidence to support your claim. b. Based upon the variation (spread) of the data, you claim the standard deviation value for Exam A and Care smaller / the same / larger (circle one) than Exam B Application Check 2: Determine your grade in college using the chart below from Columbia College. The mean is 63.7 and the standard deviation is 16 At least 1.33 standard deviations above the mean A Between 0.33 (inclusive) and 0 (exclusive) C+ standard deviations below the mean Between 1 (inclusive) and 1.33 (exclusive) standard A- Between 0.67 (inclusive) and 0.33 (exclusive) C deviations above the mean standard deviations below the mean Between 0.67 (inclusive) and 1 (exclusive) standard B+ Between 1 (inclusive) and 0.67 (exclusive) C- deviations above the mean standard deviations below the mean Between 0.33 (inclusive) and.0.67 (exclusive) B Between 2 (inclusive) and 1 (exclusive) standard D standard deviations above the mean deviations below the mean Between O (inclusive) and 0.33 (exclusive) standard B- At least 2 standard deviations below the mean F deviations above the mean Source: http://www.columbia.edu/cu/biology/courses/c3032/handouts/grading.html Score Letter Grade Earned Earned 45 63.7 84.97 84.98 Mean, Standard Deviation, and Standard Error of the Mean My-Nga Ingram 2022-4-6