Answered: {51,48,42,43,48,48,46,15,29,45,47,55,46…

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.4: Collecting Data

Problem 1C

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{51,48,42,43,48,48,46,15,29,45,47,55,46,35,47,48,54,26,53,42}

4. Median = ________________

5. Mode = _____________________

6. Five number summary = _________________________________________

7. Intequartile Range = ________________________________

8. Outliers are less than ___________________ or more than ____________________

9. How many outliers are there?

10. What is the shape of the distribution? Positively skewed or negatively skewed or symmetric

11. Based on the answer in question 9, which is better measure of variation; interquartile range or standard deviation? IQR or standard deviation

Definition Definition Measure of central tendency that is the value that occurs most frequently in a data set. A data set may have more than one mode if multiple categories repeat an equal number of times. For example, in a data set with five item—3, 5, 5, 29, 473—the mode is 5 because it occurs twice and no other value occurs more than once. On a histogram or bar chart, the element with the highest bar represents the mode. Therefore, the mode is sometimes considered the most popular option. The mode is useful for nominal or categorical data (e.g., the most common color car that users purchase), but it is problematic for continuous data because it is more likely not to have any value that is more frequent than the other.

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