Exam 3 Bonus Worksheet_Fall 2020(1) copy

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University of Texas, San Antonio *

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Statistics

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Feb 20, 2024

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Exam 3 Bonus Activity Worksheet Instructions: Complete and upload this worksheet on Blackboard BEFORE the review class on Monday, November 30 th (i.e., before 1:30 PM CST) . You will receive 1 point for completing EACH of the three questions below (i.e., max: 6 points total). Therefore, you can receive up to SIX bonus points added to your grade on Exam #3 (Max score: 100%) . NOTE: You will get credit for completing the questions regardless of if your answers are correct. I will provide the correct answers during the review class on November 30 th . 1. Indicate which measure(s) of central tendency (mean, median, mode) can be used for each level of measurement. Level of measurement Measure(s) of Central Tendency Nominal Mode Ordinal Median Ratio Mean & Median 2. Create a 4-column frequency table using the following data. Make sure you correctly label each column. Red Red Blue Green Yellow Green Blue Red Green Yellow Red Blue Yellow Green Blue Blue Red Green Green Yellow Green Blue Color Frequency (f) Proportion (p) Percent (%) Red 5 5/22=0.23 23% Blue 6 6/22=0.27 27% Green 7 7/22=0.32 32% Yellow 4 4/22=0.18 18% Total 22 1 100% Page 1 of 4
(a) What is the mode? Green (b) What percentage are yellow OR green? Note: I’m looking for a single, total percentage —not two percentages. 50% 3. Using the following data, provide the: (a) median, (b), mode, (c) mean, (d) n, and (e) range. 5 7 10 12 14 14 15 15 15 15 16 16 17 17 18 18 32 Median: 15 Mode: 15 Mean: 15.06 Range: 27 For each figure, indicate if it’s a positively skewed distribution, negatively skewed distribution, or normal distribution. Then label where the mean, median, and mode will fall on each distribution. 4. Type of distribution: negatively skewed Page 2 of 4
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