HW 4 - 6. Assuming that these scores represent an entire...

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STATISTICS Homework Assignment #4 1. Given the two distributions below: The variability of scores in distribution A would be MORE THAN the variability of scores in distribution B . 2. The measure(s) of variability which use(s) only two numbers in the calculation of the measure is (are) BOTH OF THE ABOVE a. range c. both of the above b. interquartile range d. neither of the above 3. The difference between Q3 and Q1 is the INTERQUARTILE RANGE a. range c. average deviation b. interquartile range d. variance Use the following data to answer Questions 4-9. 26, 31, 18, 23, 19, 28, 25, 14, 25 4. What is the range for this set of data? 18 (HIGH – LOW) +1 5. What is the average deviation for this set of data? 4.20
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Unformatted text preview: 6. Assuming that these scores represent an entire population, what is the variance? Use raw score and deviation method. 25.28 7. Assuming that these scores represent an entire population, what is the standard deviation? 5.06 8. Assuming that these scores represent a sample, what is the variance? Use raw score and deviation method. 28.44 9. Assuming that these scores represent a sample, what is the standard deviation? 5.33 10. Compute s for the grouped frequency distribution below. The number of class intervals is only three. In order to simplify your work. Use both deviation and raw score method. Class Interval f 15 - 19 3 10 - 14 6 5 - 9 1 DID IN NOTEBOOK...
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HW 4 - 6. Assuming that these scores represent an entire...

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