Choose TWO out of the three problems to complete, ensuring to follow all 5-steps outlined in the readings. Pay special attention to explaining how you checked the conditions for the distribution that you name. Feel free to use StatCrunch to perform the calculations for you. Do not waste your time dealing with the formulas here. (Note: Two of these are also found on the problems that you have to submit to me for the written assignment.)You can choose to write your solution on paper and upload an image of your work, OR you may type out your solutions (but try to use the appropriate symbols in your response by using the "insert math question" feature).

Modules Module 12 Discussion Board (TWO DUE DATES) - Hypothesis test for 2 populations 1 1 Grades Discussions Here are three scenarios that can be answered using an appropriate hypothesis test: One is a 2 sample t-test for the difference between two means, one is a 2 proportion z-test, and one is a paired t-test with paired data (not necessarily in this order): Announcements 1. A professor at a large community college wanted to determine whether there is a difference in the means of final exam scores between students who E NetTutor Online took his statistics course online and the students who took his face-to-face statistics class. He believed that the mean of the final exam scores for the Tutoring online class would be lower than that of the face-to-face class. Was the professor correct? The randomly selected 30 final exam scores from each Secure Exam Proctor group are provided in StatCrunch, titled Test Scores - Online vs. Face-to-face: https://www.statcrunch.com/app/index.php?dataid=2228512 2. Use the following information to answer the next five exercises. A doctor wants to know if a blood pressure medication is effective. Six subjects have their blood pressures recorded. After twelve weeks on the medication, the same six subjects have their blood pressure recorded again, For this test, only systolic pressure is of concern. Test at the 1% significance level. Table 1: Blood pressure of six patients A-F, before and after using the medication. Patient A B C D E F Before 161 162 165 162 166 171 After 158 159 166 160 167 169 3. A research study was conducted about gender differences in "sexting." The researcher believed that the proportion of girls involved in "sexting" is less than the proportion of boys involved. The data collected in the spring of 2010 among a random sample of middle and high school students in a large school district in the southern United States is summarized in Table, Is the proportion of girls sending sexts less than the proportion of boys "sexting?" Test at a 1% level of significance. Table 2: Frequency of "sexts" sent by gender Gender Males Females Sent "sexts" 183 156 Total number surveyed 2231 2169