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a. What is the median? Interpret this value in the situation. (1) The data set represents the number of errors on a typing test. Lesson 5 Practice Problems 10 10 9. 8. 10 12

a. What is the median? Interpret this value in the situation. (1) The data set represents the number of errors on a typing test. Lesson 5 Practice Problems 10 10 9. 8. 10 12

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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The mean absolute deviation, or MAD, and the interquartile range, or IQR, are measures of variability. Measures of variability tell you how much the values in a data set tend to differ while a smaller measure of variability means that the data is more consistent and close to from one another. A greater measure of variability means that the data is more spread out Are you ready for more? LFind possible locations for the 6 pennies, Les Lesson 5 Summary the measure of center. To calculate the MAD of a data set: 1. Find the mean of the values in the data set. 2. Find the distance between each data value and the mean on the number line: |data value - mean| 3. Find the mean of the distances. This value is the MAD. To calculate the IQR, subtract the value of the first quartile from the value of the third quartile. Recall that the first and third quartile are included in the five number summary. 38 Student Workbook Algebra
Transcribed Image Text:The mean absolute deviation, or MAD, and the interquartile range, or IQR, are measures of variability. Measures of variability tell you how much the values in a data set tend to differ while a smaller measure of variability means that the data is more consistent and close to from one another. A greater measure of variability means that the data is more spread out Are you ready for more? LFind possible locations for the 6 pennies, Les Lesson 5 Summary the measure of center. To calculate the MAD of a data set: 1. Find the mean of the values in the data set. 2. Find the distance between each data value and the mean on the number line: |data value - mean| 3. Find the mean of the distances. This value is the MAD. To calculate the IQR, subtract the value of the first quartile from the value of the third quartile. Recall that the first and third quartile are included in the five number summary. 38 Student Workbook Algebra
2. The data set represents the heights, in centimeters, of ten model bridges made for an a. What is the median? Interpret this value in the situation. (1) The data set represents the number of errors on a typing test. Lesson 5 Practice Problems 10 10 9. 8. 10 12 b. What is the IQR? engineering competition. 13 16 18 14 14 16 16 16 18 19 a. What is the mean? b. What is the MAD? 3. Describe the shape of the distribution shown in the dot plot. The dot plot displays the golf scores from a golf tournament. 132 134 136 138 140 golf score (strokes) (From Unit 1, Lesson 4.) Algebra 1 39
Transcribed Image Text:2. The data set represents the heights, in centimeters, of ten model bridges made for an a. What is the median? Interpret this value in the situation. (1) The data set represents the number of errors on a typing test. Lesson 5 Practice Problems 10 10 9. 8. 10 12 b. What is the IQR? engineering competition. 13 16 18 14 14 16 16 16 18 19 a. What is the mean? b. What is the MAD? 3. Describe the shape of the distribution shown in the dot plot. The dot plot displays the golf scores from a golf tournament. 132 134 136 138 140 golf score (strokes) (From Unit 1, Lesson 4.) Algebra 1 39
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