Essay Question Instructions: Make sure you show all work on the four essay questions on scratch paper. Upload a PDF of your written work to the Canvas Upload module immediately after you finish the test. Most of the points are awarded based on your written work, not the final answer that you submit to each question. Essay Question 4: A researcher reads a paper introducing a new test of executive function. The authors of the paper had tested large samples of healthy volunteers and found that on average they score 48 on the new test. The researcher believes that patients with schizophrenia will score less than the healthy patient’s average on this test of executive function. They test 22 patients with schizophrenia. The average score for the patients is 41 with a standard deviation of 10.4. The data isn’t normal but isn’t overly skewed. Assuming a 5% level, is this significant evidence to support the researcher’s claim? (A) Write out the null and alternative hypotheses. (B) Is this test one-tailed or two-tailed? (C) Explain why the researches must use a t-test instead of a z-test. (D) Calculate the test statistic. (E) Is the evidence statistically significant? What is to be concluded about the null hypothesis? (F) Was the researcher successful? Explain it to someone who is unfamiliar with statistics. 

Essay Question Instructions: Make sure you show all work on the four essay questions on scratch paper. Upload a PDF of your written work to the Canvas Upload module immediately after you finish the test. Most of the points are awarded based on your written work, not the final answer that you submit to each question. Essay Question 4: A researcher reads a paper introducing a new test of executive function. The authors of the paper had tested large samples of healthy volunteers and found that on average they score 55 on the new test. The researcher believes that patients with schizophrenia will score less than the healthy patient’s average on this test of executive function. They test 21 patients with schizophrenia. The average score for the patients is 48 with a standard deviation of 10.3. The data isn’t normal but isn’t overly skewed. Assuming a 5% level, is this significant evidence to support the researcher’s claim? (A) Write out the null and alternative hypotheses. (B) Is this test one-tailed or two-tailed? (C) Explain why the researches must use a t-test instead of a z-test. (D) Calculate the test statistic. (E) Is the evidence statistically significant? What is to be concluded about the null hypothesis? (F) Was the researcher successful? Explain it to someone who is unfamiliar with statistics.   

Which cellular structure is the site of protein synthesis? 

XIO stands for _______. Check all that apply

The arangrangement of electrons in the bonds of molecules is an example of _________ energy

What is the median for this set of data?

One type of endocytosis is often described as “cellular eating”.  In this process large particles are taken into a cell.  What is this specific type of transport called? 

Using the empirical rule, approximately 68% of yogurt cups should have a shelf life between ___ and ___ days.

Which organelle is responsible for processing drugs, alcohol, and other potentially harmful substances? 

Use the following situation to answer Questions 22 to 24 The shelf life for yogurt cups tends to follow a symmetric, bell-shaped distribution.  The average shelf life is 12.3 days with a standard deviation of 3.1 days.  Using the empirical rule, approximately what percentage of newborn babies weigh between 6.1 days and 15.4 days?