Boxplot Samenvattingen, Notities en Examens

T or F:Decision support system are computer-based support systems that integrate individuals' expertise and computer capabilities, and they have precise definitions agreed to by practitioners. - correct answers False Business Intelligence (BI) - correct answers is an umbrella term that combines architectures, databases, analytical tools, applications, and methodologies T or F: Data is a collection of observations, experiments, and experiences that do not necessarily represent absolute fac...

1. Question: An instructor wants to compare spread (variation) of final grades of students in her online class and face-to-face class. The instructor selects 10 students randomly from each class and the following table shows the final grades of those students. See Attached Excel for Data. 2. Question: The lengths (in kilometers) of rivers on the South Island of New Zealand that flow to the Tasman Sea are listed below. Find the variance. See Attached Excel for Data. Use the Excel function to fin...

1. Question: An instructor wants to compare spread (variation) of final grades of students in her online class and face-to-face class. The instructor selects 10 students randomly from each class and the following table shows the final grades of those students. See Attached Excel for Data. 2. Question: The lengths (in kilometers) of rivers on the South Island of New Zealand that flow to the Tasman Sea are listed below. Find the variance. See Attached Excel for Data. Use the Excel function to fin...

Of the following dotplots, which represents the set of data that has the greatest standard deviation? : B split in half A random sample of 374 United States pennies was collected, and the age of each penny was determined. According to the boxplot below, what is the approximate interquartile range (IQR) of the ages? graph A 8 B 10 C 16 2 | P a g e D 40 E 50 : C 16 graph The histogram above shows the number of minutes needed by 45 students to finish playing a computer ga...

1. Question: An instructor wants to compare spread (variation) of final grades of students in her online class and face-to-face class. The instructor selects 10 students randomly from each class and the following table shows the final grades of those students. See Attached Excel for Data. 2. Question: The lengths (in kilometers) of rivers on the South Island of New Zealand that flow to the Tasman Sea are listed below. Find the variance. See Attached Excel for Data. Use the Excel function to fin...

MCQ STATS FINAL EXAMQUESTIONS AND ANSWERS Researchers conducted a telephone survey of 427 adults living in a large city. The adults were asked whether they planned to purchase a smart watch in the next year. The table shows the responses categorized by the region of the city in which the residents live. *table* Which of the following graphical displays is most appropriate for preparing the proportions of those surveyed who plan to purchase a smart watch within the four regions? A scien...

Boxplot an image that has min, Q1, median, Q3, max Histogram A graphical representation -- bars, measuring the frequency within each interval Skewed right Not a symmetric distribution, the tail is on the right, i.e. extra stuff on the right Measures of center Median, the mean (and mode) Measures of spread Range, IQR & standard deviation Standard Deviation Rule 68% of the data are within 1 standard deviation, 95% are within 2, 99.7 are within 3 standard deviations from the mean. For skewed...

Boxplot an image that has min, Q1, median, Q3, max Histogram A graphical representation -- bars, measuring the frequency within each interval Skewed right Not a symmetric distribution, the tail is on the right, i.e. extra stuff on the right Measures of center Median, the mean (and mode) Measures of spread Range, IQR & standard deviation Standard Deviation Rule 68% of the data are within 1 standard deviation, 95% are within 2, 99.7 are within 3 standard deviations from the mean. For skewed...

1. Question: An instructor wants to compare spread (variation) of final grades of students in her online class and face-to-face class. The instructor selects 10 students randomly from each class and the following table shows the final grades of those students. See Attached Excel for Data. 2. Question: The lengths (in kilometers) of rivers on the South Island of New Zealand that flow to the Tasman Sea are listed below. Find the variance. See Attached Excel for Data. Use the Excel function to fin...

WGU C955 PROBABILITY AND STATISTICS EXAM / 50 QUESTIONS AND 100% CORRECT ANSWERS LATEST GUIDE 2024. 2 / 6 1. Boxplot: an image that has min, Q1, median, Q3, max 2. Histogram: A graphical representation -- bars, measuring the frequency within each interval 3. Skewed right: Not a symmetric distribution, the tail is on the right, i.e. extra stuff on the right 4. Measures of center: Median, the mean (and mode) 5. Measures of spread: Range, IQR & standard deviation 6. Standard Deviation Rul...