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That p. 43 O TI OTI OT OA QUESTION 3 How do statistics provide "apparent order and control" in an epidemic? Statistics helped indicate which quarantine practices were effective Statistics helped track the spread and lethality of the disease Statistics helped officials predict the course of the epidemic O All of the above Click Save and Submit to save and submit. Click Save All Answers to save all answers. 1 City MacBook Pro $ % &QUESTION 1 0.25 points Save Answer A random sample of 100 students is taken at LearnAll University and it's found that their average GPA is 3.1. If this information is used to help estimate the average GPA for all students at LearnAll University, which branch of statistics was applied? a Inferential statistics Ob. Population statistics Ce Descriptive statistics Od. Sample statistics QUESTION 2 0.23 points Save Answer A descriptive measure that is computed from a sample is called a: O a parameter. Ob. sample. Ce population. ()d. statistic. QUESTION 3 0.25 points Save Answer Which of the following is a measure of the reliability of a statistical inference? Q& A descriptive statistic. Ob. A sample statistic. Ce A significance level. Od. A population parameter, QUESTION 4 0.25 points The process of using sample statistics to draw conclusions about population parameters is called: O a doing inferential statistics. Ob. finding the significance level. Ce calculating descriptive statistics. Od. calculating the confidence level. QUESTION S 0.25 points Save Answer A researcher at Florida International University (FIU) wants to estimate the average number of credits earned by students last semester at FIU. She randomly selects 750 students from last semester and finds that they averaged 13.75 credits per student. The population of interest to the researcher is: Ca al FIU students errolled last semester. Ob. al FIU students. Ce the 750 FIU students selected at random. O d. all college students.For a 4-unit class like Statistics, students should spend average of 12 hours studying for the class. A survey was done on 29 students, and the distribution of total study hours per week is bell-shaped with a mean of 12 hours and a standard deviation of 3.1 hours. Use the Empirical Rule to answer the following questions. a) 68% of the students spend between C] hours and C] hours on Statistics each week. b) 95% of the students spend between [3 hours and C] hours on Statistics each week. c) 99.7% of the students spend between [:] hours and [:] hours on Statistics each week