106. Ages (rounded to the nearest whole year) of employees at a large company were grouped into a distribution with the following class limits: 20 up to 30 30 up to 40 40 up to 50 50 up to 60 60 up to 70 What is the class interval? 10 Feedback: The interval is the difference between the lower or upper class limits of adjacent classes. AACSB: Communication Blooms: Remember Difficulty: 2 Medium Learning Objective: 02-03 Summarize quantitative variables with frequency and relative frequency distributions. Topic: Constructing Frequency Distributions 107. The first three class marks for a frequency distribution of "weights of college men" recorded to the nearest pound are 105, 115, and 125. What is the class interval? 10 Feedback: The interval is the difference between the class marks or midpoints of adjacent classes. (115 - 105 = 10, or 125 - 115 = 10). AACSB: Analytic Blooms: Apply Difficulty: 3 Hard Learning Objective: 02-03 Summarize quantitative variables with frequency and relative frequency distributions. Topic: Constructing Frequency Distributions 108. The first three class marks for a frequency distribution of "weights of college men" recorded to the nearest pound are 105, 115, and 125. What is the lower limit for the third class? 120 Feedback: The class interval is 10. The class marks are the same as the class midpoints. Therefore, the upper and lower limits for a class are the class mark plus or minus half of the class interval. For the third class, the lower limit is 125 - ½(10) = 120. AACSB: Analytic Blooms: Apply Difficulty: 3 Hard Learning Objective: 02-03 Summarize quantitative variables with frequency and relative frequency distributions. Topic: Constructing Frequency Distributions
106. Ages (rounded to the nearest whole year) of employees at a large company were grouped into a distribution with the following class limits: 20 up to 30 30 up to 40 40 up to 50 50 up to 60 60 up to 70 What is the class interval? 10 Feedback: The interval is the difference between the lower or upper class limits of adjacent classes. AACSB: Communication Blooms: Remember Difficulty: 2 Medium Learning Objective: 02-03 Summarize quantitative variables with frequency and relative frequency distributions. Topic: Constructing Frequency Distributions 107. The first three class marks for a frequency distribution of "weights of college men" recorded to the nearest pound are 105, 115, and 125. What is the class interval? 10 Feedback: The interval is the difference between the class marks or midpoints of adjacent classes. (115 - 105 = 10, or 125 - 115 = 10). AACSB: Analytic Blooms: Apply Difficulty: 3 Hard Learning Objective: 02-03 Summarize quantitative variables with frequency and relative frequency distributions. Topic: Constructing Frequency Distributions 108. The first three class marks for a frequency distribution of "weights of college men" recorded to the nearest pound are 105, 115, and 125. What is the lower limit for the third class? 120 Feedback: The class interval is 10. The class marks are the same as the class midpoints. Therefore, the upper and lower limits for a class are the class mark plus or minus half of the class interval. For the third class, the lower limit is 125 - ½(10) = 120. AACSB: Analytic Blooms: Apply Difficulty: 3 Hard Learning Objective: 02-03 Summarize quantitative variables with frequency and relative frequency distributions. Topic: Constructing Frequency Distributions
Test%20Bank%20for%20Statistical%20Techniques%20in%20Business%20and%20Economics%2016th%20Edition%20Lind,%20Marchal,%20Wathen.docx