7. The battery life. in hours, of a group of 16 laptops is shown below. 50% a) Identify the lower and upper quartiles. 2 25 3 3.5 4.5 5.5 6.5 775 Battery Life of babies born on the same day at a 1.7.1.7.8) b) What percent of the laptops have a battery life of at least 6 hours? c) How many laptops have a battery life less than 4.5 hours? ages of cookies: ($3.99, $2.59, $2 8. Fifty golfers are competing in a golf tournament. The scores in the first round are shown below. + +++ 69 70 72 73 71 74 75 76 77 78 79 BC Golf Scores a) Identify the minimum and maximum values. b) What percent of the golfers had a score greater than 70? c) In order to advance to the next round, golfers can not score above 72. How many are not moving on? asure of the variation of c Explain. paring -WHISKER ots 9. Mr. Athens and Mrs. Gillman gave the same test to their math classes. The scores of each class are shown below. Mr. Athens' Class - a) What is the difference in the median score? b) Which class had the greater range of scores? c) Which class do you feel did better overall? Explain. H 40 45 50 55 60 65 100 75 80 85 90 95 70 Mrs. Gillman's Class Gina Wilson (All Things Algebra®, LLC), 2017
7. The battery life. in hours, of a group of 16 laptops is shown below. 50% a) Identify the lower and upper quartiles. 2 25 3 3.5 4.5 5.5 6.5 775 Battery Life of babies born on the same day at a 1.7.1.7.8) b) What percent of the laptops have a battery life of at least 6 hours? c) How many laptops have a battery life less than 4.5 hours? ages of cookies: ($3.99, $2.59, $2 8. Fifty golfers are competing in a golf tournament. The scores in the first round are shown below. + +++ 69 70 72 73 71 74 75 76 77 78 79 BC Golf Scores a) Identify the minimum and maximum values. b) What percent of the golfers had a score greater than 70? c) In order to advance to the next round, golfers can not score above 72. How many are not moving on? asure of the variation of c Explain. paring -WHISKER ots 9. Mr. Athens and Mrs. Gillman gave the same test to their math classes. The scores of each class are shown below. Mr. Athens' Class - a) What is the difference in the median score? b) Which class had the greater range of scores? c) Which class do you feel did better overall? Explain. H 40 45 50 55 60 65 100 75 80 85 90 95 70 Mrs. Gillman's Class Gina Wilson (All Things Algebra®, LLC), 2017
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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