# STAT HW 3 - STATISTICS Homework Assignment #3 1. In a...

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Homework Assignment #3 1. In a grouped frequency distribution, the mode is equal to the midpoint of the modal class 2. What is the midpoint of the class interval 144-150? 147 3. The median is equal to the score associated with the 50 th percentile rank. a. 10th b. 25th c . 50th d. 75th 4. The score below which 50 percent of the distribution fall is called the median. a. mode b . median c. mean d. midpoint 5. The sum of the deviation scores about the mean is always equal to 0 6. The most frequently occurring score in a distribution is called the mode a. mean b. mode c. median d. midpoint 7. The measure of central tendency with the largest sampling fluctuation is the mode 8. If someone picked a number at random from a distribution and asked you to guess the number, your “best guess” would be the value of the mode a. mean b. mode c. median d. interquartile range Use the following data to answer questions 9 - 11. 33, 26, 26, 26, 26, 20, 20, 19, 18, 17

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## This note was uploaded on 09/29/2010 for the course PSYC 2101 taught by Professor Staff during the Spring '08 term at East Carolina University .

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STAT HW 3 - STATISTICS Homework Assignment #3 1. In a...

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