Sta2023 Study guides, Class notes & Summaries

STA2023 STATISTICS EXAM Q & A 2024.

STA2023 STATISTICS EXAM Q & A 2024

Stats Exam 1, Top Exam Questions and answers, 100% Accurate, rated A+ Who uses statistics? - -everyone ex) Business- analyze the results of a marketung campaign statistical methods - -Design, Description, Inference Design - -how you plan to obtain the data survey, experiment, question description - -summarize the data with graphs and numerical summaries. Percent, standard deviation Inference - -use data from a random and representative sample to draw conclusions about the p...

STA2023 Lab 1 Santa Fe College 2023.

A scientist who studies teenage behavior was interested in determining if teenagers spend more time playing computer games then they did in the 1990s. In 1990s, the average amount of time spent playing computer games was 10.2 hours per week. Is the amount of time greater than that for this year? Twenty students were surveyed and asked how many hours they spent playing video games. The test statistics is equal to 1.39. What is the p-value? 0.0903 A restaurant decides to test their oven’s t...

STA 2023 QUIZ 2. Scores on an exam follow an approximately bell shaped distribution with a mean of 76.4 and a standard deviation of 6.1 points. Approximately, what percentage of the data is between 58.1 points and 94.7 points? 99.7% Yes, 58.1 and 94.7 are three standard deviations away from the mean. So, according to the Empirical Rule, there should be 99.7% of the data within three standard deviations away from the mean. 68% 50% 95% This is an application of the Empirical Rule...

STA2023 STATISTICS EXAM Q & A 2024

STA2023 STATISTICS EXAM Q & A 2024

STA2023 Exam practice questions and well answered STA2023 Exam practice questions and well answered STA2023 Exam practice questions and well answered STA2023 Exam practice questions and well answered STA2023 Exam practice questions and well answered STA2023 Exam practice questions and well answered STA2023 Exam practice questions and well answered STA2023 Exam practice questions and well answered STA2023 Exam practice questions and well answered STA2023 Exam practice questions and well ...

Contents: 1. Chapter 1: basic terminology 2. Class Notes: IQR, 5 number summary, 1-variable stats calculator formulas, standard dev 3. Chapter 2: distribution, frequency tables, pie charts, bar charts, contingency tables 4. Chapter 3: histograms, relative frequency, stem and leaf plots, dot plots, terminology display and summary of quantitative data 5. Class Notes: box plots, more on IQR, how to find an outlier 6. Chapter 4: timeplots 7. Chapter 5: normal modal, stand...