MATH 225N Week 3 Assignment: Distribution Shape
- Question: Given the following box and whisker plot, decide if the data is … or symmetrical?
- Question: You are told that a data set has a median of 13 and a mean of 23. Which of the following is a logical conclusion?
- Question: Which of the following frequency tables … data set? Select all answers that apply?
- Question: Which of the following histograms shows a … data set?
MATH 225N Week 3 Assignment: Distribution Shape
- Question: Which of the following histograms shows a … data set?
- Question: Given the following box-and-whisker plot, decide if the data is … or symmetrical.
- Question: You are told that a data set has a median of 14and a mean of 14. Which of the following is a logical conclusion?
- Question: Given the following box-and-whisker plot, decide if the data is skewed or symmetrical.
- Question: The following data set represents salaries at a comment (in thousands of dollars). Determine if the following data set represents a distribution which is skewed left, … right, or symmetric. 35,38,39,41,42,45,46,51,98,120 Select the correct answer below:
- Question: Given the following histogram, decide if the data is … or symmetrical.
- Question: If the median of a data set is 13and the mean is 23, which of the following is most likely? Select the correct answer below:
- Question: Which of the following frequency tables shows a … data set? Select all answers that apply.
MATH 225N Week 3 Assignment: Distribution Shape
- Question: If the median of a data set is 13and the mean is 13, which of the following is most likely?
- Question: Which of the following box-and-whisker plots shows a … data set? Select all answers that apply. – A horizontal box-and-whisker plot is above a horizontal axis … from 0 to 16 in increments of 2. The box-and-whisker plot has the following five-number summary: 1, 3, 4, 6, and 15. All values are approximate. The part of the box at point 4 is … line. – A horizontal box-and-whisker plot is above a horizontal axis … from 0 to 20 in increments of 5. The box-and-whisker plot has the following five-number summary: 4, 14, 16, 19, and 20. All values are approximate. The part of the box at point 16 is … with a dotted line.
- Question: Which of the following box-and-whisker plots shows a … data set? Select all answers that apply. – A horizontal box-and-whisker plot is above a horizontal axis … from 0 to 20 in increments of 5. The box-and-whisker plot has the following five-number summary: 4, 14, 16, 19, and 20. All values are approximate. The part of the box at point 16 is … line.
- Question: Which of the following histograms shows a skewed data set? – A histogram has a horizontal axis … Values from negative 2 to 10 in increments of 2 and a vertical axis … Frequency from 0 to 300 in increments of 50. The histogram has vertical bars of width 1, starting at the horizontal axis value of negative 0.5. The approximate heights of the bars are as follows, where the horizontal axis label is … first and the approximate height is … second: negative 0.5, 40; 0.5, 140; 1.5, 225; 2.5, 270; 3.5, 175; 4.5, 95; 5.5, 35; 6.5, 20.
- Question: Which of the following frequency tables show a … data set? Select all answers that apply.
- Question: If the median of a data set is 13 and the mean is 23, which of the following is most likely?
- Question: Which of the following frequency tables shows a … data set?
- Question: __ of the following lists of data has the smallest standard deviation?
- Question: Which of the data sets … by the following histograms has the smallest standard deviation?
- Question: The … dataset represents the salaries for all six employees at a small start-up company. Find the mean, variance, and standard deviation for this dataset of salaries (expressed in thousands of dollars): 55, 59, 63, 67, 71, 75
- Question: A company is … to know the variation in yearly sales amount for all 5 salespeople in the company. The dataset shown below is the sales amount sold by the 5 salespeople in the company (expressed in thousands of dollars): 40,60,65,70,80 – Find the variance for this data set. – Find the sample variance of the following set of data: 10, 3, 10, 3, 9.
- Question: The International Shark Attack File … the number of shark attacks between 1837 and 2016. Below are the total number of shark attacks for 8 U.S. states. Find the sample variance.
- Question: For the … data set, you are … to determine the “spread” of the data. Would you employ calculations for the sample standard deviation, or population standard deviation for this data set: Final Exam scores for a group of 10 students in a Statistics course with an enrollment of 30 students.
- Question: Find the sample variance of the following set of data: 11, 4, 4, 6, 10…… Round the final answer to one decimal place.
