St. Petersburg College | STA 2023 – ELEMENTARY STATISTICS | Module 1 Test Answered 100% Correct | .

n 1 1 Select the most appropriate response. Which of the following correctly describes the relationship between a parameter and a statistic? Question options: A statistic is calculated from sample data and is generally used to estimate a parameter. Statistics are a group of subjects selected according to the parameters of a study. A parameter is calculated from sample data and is generally used to estimate a statistic. A parameter and a statistic are not related. on Identify the population. A study was done to determine the average commute time per week to and from class for an SPC student attending a lecture class. For convenience, a sample of 60 students was taken by randomly selecting a lecture class on the Gibbs campus (30 students), and also a lecture class on the Clearwater campus (30 students). The students selected for the sample were then asked where they were commuting from, when, and how often. The information was then entered into a GPS system in order to obtain estimated commuting times. Question options: All SPC students. All full-time SPC students. All part-time SPC students. All SPC students who attend lecture classes. on Select the most appropriate response. St. Petersburg College | STA 2023 – ELEMENTARY STATISTICS | Module 1 Test | .Which branch of statistics deals with the organization and summarization of collected information? Question options: descriptive inferential on Identify whether the statement describes inferential statistics or descriptive statistics. From past figures, it is predicted that 19% of the registered voters in California will vote in the June primary. Question options: descriptive inferential on Classify the variable as qualitative or quantitative. The cost of a Statistics textbook. Question options: qualitative quantitative on Classify the variable as qualitative or quantitative. Eye Color Question options: qualitativequantitative on Decide which method of data collection you would use to collect data for the study. Specify either observational study, experiment, simulation, or survey. A study where a drug was given to 23 patients and a placebo to another group of 23 patients to determine if the drug has an effect on a patient's illness. Question options: simulation survey experiment observational study on Decide which method of data collection you would use to collect data for the study. Specify either observational study, experiment, or simulation. A study where a political pollster wishes to determine if his candidate is leading in the polls for an upcoming election. Question options: simulation observational study experiment on Identify the sampling method used.50 sophomores, 30 juniors and 20 seniors are randomly selected from 500 sophomores, 300 juniors and 200 seniors at a certain high school. Question options: stratified cluster convenience systematic random on Identify the sampling method used. Every fifth person boarding a plane is searched thoroughly. Question options: cluster random convenience systematic stratified on Identify the sampling method used. At a local community college, five statistics classes are randomly selected out of 20 and all of the students from each class are interviewed. Question options: systematic randomstratified convenience cluster on Identify the sampling method used. A community college student interviews everyone in their statistics class to determine the percentage of students that own a car. Question options: convenience cluster random stratified systematic on Use the histogram to answer the question. A fitness instructor measured the heart rates of the participants in a yoga class at the conclusion of the class. The data is summarized in the histogram below. There were fifteen people who participated in the class between the ages of 25 and 45.What percent of the participants had a heart rate between 130 and 150 bpm? Question options: 33% 13% 5% 47% on Find the mean score. The heights (in inches) of ten randomly chosen American males are shown below.Question options: 72 67 68 71 on Find the median score. The heights (in inches) of ten randomly chosen American males are shown below. Question options: 71 67 72 73 on Find the mode. The heights (in inches) of ten randomly chosen American males are shown below. Question options: 7376 72 67 on Select the most appropriate response. The median LSAT score reported by a Law School is 170. Which of the following is not correct? Question options: half of the students have an LSAT score of 170 half of the students have an LSAT score of 170 or below. the fiftieth percentile of students’ LSAT score is 170 half of the students have an LSAT score higher than 170 on Identify the overall shape of the distribution and determine whether the mean or the median would provide a better measure of center. The ages of a group of patients being treated at one hospital for osteoporosis are summarized in the frequency histogram below.Question options: Skew left, the median would provide a better measure of center. Skew left, the mean would provide a better measure of center. Skew right, the median would provide a better measure of center. Skew right, the mean would provide a better measure of center. Multimodal on Find the range of the data set. Here are costs (in dollars) of 12 electric smooth top ranges. 1000 560 1460 1100 760 1300 550 1060Question options: $890 $930 $910 $920 $900 on Find the sample standard deviation. The heights (in inches) of ten randomly chosen American males are shown below. Question options: 3 2.87 2.72 70 on Use the graphical display to answer the question. Which of the three histograms shown summarizes the data set with the smallest standard deviation?Question options: 1 2 3 on Determine the following percentage. Lengths of pregnancies of humans are normally distributed with a mean of 265 days and a standard deviation of 10 days. Use the Empirical Rule to determine the percentage of women whose pregnancies are between 255 and 275 days. Question options: 95% 99.7% 68% 50% on Determine the Five Number Summary of the data set. The heights (in inches) of ten randomly chosen American males are shown below.Question options: 10, 71, 2.9, 67, 73 10, 71, 72 67, 73 67, 71, 72, 72, 76 67, 68, 72, 72, 76 on Use the graphical display to answer the question. The age at which a person purchased a new BMW is summarized in the following boxplot. For which series was the median age of purchase equal to 41? Question options: The 3 series The 5 seriesThe 7 series on Use z-scores to make the following comparison. A high school student took two college entrance exams and scored 1120 on the SAT and 27 on the ACT. Suppose that SAT scores have a mean of 950 and a standard deviation of 140 while the ACT scores have a mean of 22 and a standard deviation of 4. Assuming the performance on both tests follows a normal distribution, determine which test the student did better on. Question options: SAT ACT